Home / 168,121.28-231,997.92-104,458.52

Finding the Fourth Proportional to 168,121.28, 231,997.92 and 104,458.52

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Solution

The fourth proportional to 168,121.28, 231,997.92 and 104,458.52 is: 144,146.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,121.28 : 231,997.92 = 104,458.52 : x
  2. Step 2: Convert to fraction form
    168,121.28/231,997.92 = 104,458.52/x
  3. Step 3: Cross multiply
    168,121.28x = 231,997.92 × 104,458.52
  4. Step 4: Simplify right side
    168,121.28x = 24,234,159,366.28
  5. Step 5: Solve for x
    x = 24,234,159,366.28/168,121.28
  6. Step 6: Final answer
    x = 144,146.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.