Home / 107,572.20-161,387.10-95,965.80

Finding the Fourth Proportional to 107,572.20, 161,387.10 and 95,965.80

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Solution

The fourth proportional to 107,572.20, 161,387.10 and 95,965.80 is: 143,974.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,572.20 : 161,387.10 = 95,965.80 : x
  2. Step 2: Convert to fraction form
    107,572.20/161,387.10 = 95,965.80/x
  3. Step 3: Cross multiply
    107,572.20x = 161,387.10 × 95,965.80
  4. Step 4: Simplify right side
    107,572.20x = 15,487,642,161.18
  5. Step 5: Solve for x
    x = 15,487,642,161.18/107,572.20
  6. Step 6: Final answer
    x = 143,974.39

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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.