To convert 200 km/h to miles/h, you can use the following step-by-step instructions:

Step 1: Understand the conversion factor

1 kilometer is equal to 0.621371 miles. This means that to convert kilometers to miles, you need to multiply the value in kilometers by 0.621371.

Step 2: Set up the conversion equation

Let’s set up the equation to convert 200 km/h to miles/h:

200 km/h * 0.621371 miles/km = x miles/h

Step 3: Perform the calculation

Multiply 200 km/h by 0.621371 miles/km:

200 km/h * 0.621371 miles/km = 124.2742 miles/h

Step 4: Round the result (if necessary)

Since the result has several decimal places, you can round it to a more practical value. In this case, rounding to two decimal places will suffice:

124.2742 miles/h ≈ 124.27 miles/h

Therefore, 200 km/h is approximately equal to 124.27 miles/h.