Home / 178,231.59-267,381.10-71,623.85

Finding the Fourth Proportional to 178,231.59, 267,381.10 and 71,623.85

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Solution

The fourth proportional to 178,231.59, 267,381.10 and 71,623.85 is: 107,449.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,231.59 : 267,381.10 = 71,623.85 : x
  2. Step 2: Convert to fraction form
    178,231.59/267,381.10 = 71,623.85/x
  3. Step 3: Cross multiply
    178,231.59x = 267,381.10 × 71,623.85
  4. Step 4: Simplify right side
    178,231.59x = 19,150,862,551.86
  5. Step 5: Solve for x
    x = 19,150,862,551.86/178,231.59
  6. Step 6: Final answer
    x = 107,449.32

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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.