Home / 178,448.06-267,589.17-66,123.74

Finding the Fourth Proportional to 178,448.06, 267,589.17 and 66,123.74

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Solution

The fourth proportional to 178,448.06, 267,589.17 and 66,123.74 is: 99,154.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,448.06 : 267,589.17 = 66,123.74 : x
  2. Step 2: Convert to fraction form
    178,448.06/267,589.17 = 66,123.74/x
  3. Step 3: Cross multiply
    178,448.06x = 267,589.17 × 66,123.74
  4. Step 4: Simplify right side
    178,448.06x = 17,693,997,372.87
  5. Step 5: Solve for x
    x = 17,693,997,372.87/178,448.06
  6. Step 6: Final answer
    x = 99,154.89

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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.