Home / 107,073.20-160,519.48-67,543.18

Finding the Fourth Proportional to 107,073.20, 160,519.48 and 67,543.18

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Solution

The fourth proportional to 107,073.20, 160,519.48 and 67,543.18 is: 101,257.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,073.20 : 160,519.48 = 67,543.18 : x
  2. Step 2: Convert to fraction form
    107,073.20/160,519.48 = 67,543.18/x
  3. Step 3: Cross multiply
    107,073.20x = 160,519.48 × 67,543.18
  4. Step 4: Simplify right side
    107,073.20x = 10,841,996,131.15
  5. Step 5: Solve for x
    x = 10,841,996,131.15/107,073.20
  6. Step 6: Final answer
    x = 101,257.79

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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.