Home / 178,540.07-267,708.62-137,999.24

Finding the Fourth Proportional to 178,540.07, 267,708.62 and 137,999.24

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Solution

The fourth proportional to 178,540.07, 267,708.62 and 137,999.24 is: 206,920.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,540.07 : 267,708.62 = 137,999.24 : x
  2. Step 2: Convert to fraction form
    178,540.07/267,708.62 = 137,999.24/x
  3. Step 3: Cross multiply
    178,540.07x = 267,708.62 × 137,999.24
  4. Step 4: Simplify right side
    178,540.07x = 36,943,587,229.55
  5. Step 5: Solve for x
    x = 36,943,587,229.55/178,540.07
  6. Step 6: Final answer
    x = 206,920.42

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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.