Home / 161,479.62-242,231.76-49,169.43

Finding the Fourth Proportional to 161,479.62, 242,231.76 and 49,169.43

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Solution

The fourth proportional to 161,479.62, 242,231.76 and 49,169.43 is: 73,757.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,479.62 : 242,231.76 = 49,169.43 : x
  2. Step 2: Convert to fraction form
    161,479.62/242,231.76 = 49,169.43/x
  3. Step 3: Cross multiply
    161,479.62x = 242,231.76 × 49,169.43
  4. Step 4: Simplify right side
    161,479.62x = 11,910,397,567.10
  5. Step 5: Solve for x
    x = 11,910,397,567.10/161,479.62
  6. Step 6: Final answer
    x = 73,757.90

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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.