Home / 118,752.95-178,084.78-38,772.27

Finding the Fourth Proportional to 118,752.95, 178,084.78 and 38,772.27

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Solution

The fourth proportional to 118,752.95, 178,084.78 and 38,772.27 is: 58,143.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,752.95 : 178,084.78 = 38,772.27 : x
  2. Step 2: Convert to fraction form
    118,752.95/178,084.78 = 38,772.27/x
  3. Step 3: Cross multiply
    118,752.95x = 178,084.78 × 38,772.27
  4. Step 4: Simplify right side
    118,752.95x = 6,904,751,076.12
  5. Step 5: Solve for x
    x = 6,904,751,076.12/118,752.95
  6. Step 6: Final answer
    x = 58,143.83

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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.