Home / 135,861.48-203,805.18-52,761.96

Finding the Fourth Proportional to 135,861.48, 203,805.18 and 52,761.96

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Solution

The fourth proportional to 135,861.48, 203,805.18 and 52,761.96 is: 79,147.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,861.48 : 203,805.18 = 52,761.96 : x
  2. Step 2: Convert to fraction form
    135,861.48/203,805.18 = 52,761.96/x
  3. Step 3: Cross multiply
    135,861.48x = 203,805.18 × 52,761.96
  4. Step 4: Simplify right side
    135,861.48x = 10,753,160,754.95
  5. Step 5: Solve for x
    x = 10,753,160,754.95/135,861.48
  6. Step 6: Final answer
    x = 79,147.97

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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.