Home / 118,829.86-178,250.14-38,872.38

Finding the Fourth Proportional to 118,829.86, 178,250.14 and 38,872.38

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Solution

The fourth proportional to 118,829.86, 178,250.14 and 38,872.38 is: 58,310.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,829.86 : 178,250.14 = 38,872.38 : x
  2. Step 2: Convert to fraction form
    118,829.86/178,250.14 = 38,872.38/x
  3. Step 3: Cross multiply
    118,829.86x = 178,250.14 × 38,872.38
  4. Step 4: Simplify right side
    118,829.86x = 6,929,007,177.13
  5. Step 5: Solve for x
    x = 6,929,007,177.13/118,829.86
  6. Step 6: Final answer
    x = 58,310.32

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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.