Home / 178,291.25-267,437.17-45,171.39

Finding the Fourth Proportional to 178,291.25, 267,437.17 and 45,171.39

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Solution

The fourth proportional to 178,291.25, 267,437.17 and 45,171.39 is: 67,757.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,291.25 : 267,437.17 = 45,171.39 : x
  2. Step 2: Convert to fraction form
    178,291.25/267,437.17 = 45,171.39/x
  3. Step 3: Cross multiply
    178,291.25x = 267,437.17 × 45,171.39
  4. Step 4: Simplify right side
    178,291.25x = 12,080,508,706.57
  5. Step 5: Solve for x
    x = 12,080,508,706.57/178,291.25
  6. Step 6: Final answer
    x = 67,757.16

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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.