Home / 108,141.60-149,234.92-59,743.55

Finding the Fourth Proportional to 108,141.60, 149,234.92 and 59,743.55

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Solution

The fourth proportional to 108,141.60, 149,234.92 and 59,743.55 is: 82,445.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,141.60 : 149,234.92 = 59,743.55 : x
  2. Step 2: Convert to fraction form
    108,141.60/149,234.92 = 59,743.55/x
  3. Step 3: Cross multiply
    108,141.60x = 149,234.92 × 59,743.55
  4. Step 4: Simplify right side
    108,141.60x = 8,915,824,128.49
  5. Step 5: Solve for x
    x = 8,915,824,128.49/108,141.60
  6. Step 6: Final answer
    x = 82,445.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.