Home / 178,407.38-267,635.55-103,562.66

Finding the Fourth Proportional to 178,407.38, 267,635.55 and 103,562.66

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Solution

The fourth proportional to 178,407.38, 267,635.55 and 103,562.66 is: 155,358.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,407.38 : 267,635.55 = 103,562.66 : x
  2. Step 2: Convert to fraction form
    178,407.38/267,635.55 = 103,562.66/x
  3. Step 3: Cross multiply
    178,407.38x = 267,635.55 × 103,562.66
  4. Step 4: Simplify right side
    178,407.38x = 27,717,049,468.56
  5. Step 5: Solve for x
    x = 27,717,049,468.56/178,407.38
  6. Step 6: Final answer
    x = 155,358.20

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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.