Home / 156,338.29-234,821.25-93,281.47

Finding the Fourth Proportional to 156,338.29, 234,821.25 and 93,281.47

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Solution

The fourth proportional to 156,338.29, 234,821.25 and 93,281.47 is: 140,109.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,338.29 : 234,821.25 = 93,281.47 : x
  2. Step 2: Convert to fraction form
    156,338.29/234,821.25 = 93,281.47/x
  3. Step 3: Cross multiply
    156,338.29x = 234,821.25 × 93,281.47
  4. Step 4: Simplify right side
    156,338.29x = 21,904,471,387.24
  5. Step 5: Solve for x
    x = 21,904,471,387.24/156,338.29
  6. Step 6: Final answer
    x = 140,109.45

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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.