Home / 135,105.68-202,549.20-56,279.12

Finding the Fourth Proportional to 135,105.68, 202,549.20 and 56,279.12

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Solution

The fourth proportional to 135,105.68, 202,549.20 and 56,279.12 is: 84,373.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,105.68 : 202,549.20 = 56,279.12 : x
  2. Step 2: Convert to fraction form
    135,105.68/202,549.20 = 56,279.12/x
  3. Step 3: Cross multiply
    135,105.68x = 202,549.20 × 56,279.12
  4. Step 4: Simplify right side
    135,105.68x = 11,399,290,732.70
  5. Step 5: Solve for x
    x = 11,399,290,732.70/135,105.68
  6. Step 6: Final answer
    x = 84,373.14

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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.