Home / 135,351.20-202,902.96-52,182.56

Finding the Fourth Proportional to 135,351.20, 202,902.96 and 52,182.56

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Solution

The fourth proportional to 135,351.20, 202,902.96 and 52,182.56 is: 78,226.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,351.20 : 202,902.96 = 52,182.56 : x
  2. Step 2: Convert to fraction form
    135,351.20/202,902.96 = 52,182.56/x
  3. Step 3: Cross multiply
    135,351.20x = 202,902.96 × 52,182.56
  4. Step 4: Simplify right side
    135,351.20x = 10,587,995,884.38
  5. Step 5: Solve for x
    x = 10,587,995,884.38/135,351.20
  6. Step 6: Final answer
    x = 78,226.10

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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.