Home / 118,812.04-178,180.38-38,831.92

Finding the Fourth Proportional to 118,812.04, 178,180.38 and 38,831.92

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Solution

The fourth proportional to 118,812.04, 178,180.38 and 38,831.92 is: 58,235.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,812.04 : 178,180.38 = 38,831.92 : x
  2. Step 2: Convert to fraction form
    118,812.04/178,180.38 = 38,831.92/x
  3. Step 3: Cross multiply
    118,812.04x = 178,180.38 × 38,831.92
  4. Step 4: Simplify right side
    118,812.04x = 6,919,085,816.28
  5. Step 5: Solve for x
    x = 6,919,085,816.28/118,812.04
  6. Step 6: Final answer
    x = 58,235.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.