Home / 337,439.12-506,145.92-84,721.55

Finding the Fourth Proportional to 337,439.12, 506,145.92 and 84,721.55

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Solution

The fourth proportional to 337,439.12, 506,145.92 and 84,721.55 is: 127,079.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,439.12 : 506,145.92 = 84,721.55 : x
  2. Step 2: Convert to fraction form
    337,439.12/506,145.92 = 84,721.55/x
  3. Step 3: Cross multiply
    337,439.12x = 506,145.92 × 84,721.55
  4. Step 4: Simplify right side
    337,439.12x = 42,881,463,914.24
  5. Step 5: Solve for x
    x = 42,881,463,914.24/337,439.12
  6. Step 6: Final answer
    x = 127,079.11

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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.