Home / 344,743.66-517,115.49-108,105.40

Finding the Fourth Proportional to 344,743.66, 517,115.49 and 108,105.40

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Solution

The fourth proportional to 344,743.66, 517,115.49 and 108,105.40 is: 162,158.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,743.66 : 517,115.49 = 108,105.40 : x
  2. Step 2: Convert to fraction form
    344,743.66/517,115.49 = 108,105.40/x
  3. Step 3: Cross multiply
    344,743.66x = 517,115.49 × 108,105.40
  4. Step 4: Simplify right side
    344,743.66x = 55,902,976,892.65
  5. Step 5: Solve for x
    x = 55,902,976,892.65/344,743.66
  6. Step 6: Final answer
    x = 162,158.10

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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.