Home / 412,250.04-618,344.82-131,691.96

Finding the Fourth Proportional to 412,250.04, 618,344.82 and 131,691.96

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Solution

The fourth proportional to 412,250.04, 618,344.82 and 131,691.96 is: 197,528.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,250.04 : 618,344.82 = 131,691.96 : x
  2. Step 2: Convert to fraction form
    412,250.04/618,344.82 = 131,691.96/x
  3. Step 3: Cross multiply
    412,250.04x = 618,344.82 × 131,691.96
  4. Step 4: Simplify right side
    412,250.04x = 81,431,041,301.65
  5. Step 5: Solve for x
    x = 81,431,041,301.65/412,250.04
  6. Step 6: Final answer
    x = 197,528.28

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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.