Home / 119,780.48-179,375.42-75,296.90

Finding the Fourth Proportional to 119,780.48, 179,375.42 and 75,296.90

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Solution

The fourth proportional to 119,780.48, 179,375.42 and 75,296.90 is: 112,759.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,780.48 : 179,375.42 = 75,296.90 : x
  2. Step 2: Convert to fraction form
    119,780.48/179,375.42 = 75,296.90/x
  3. Step 3: Cross multiply
    119,780.48x = 179,375.42 × 75,296.90
  4. Step 4: Simplify right side
    119,780.48x = 13,506,413,062.20
  5. Step 5: Solve for x
    x = 13,506,413,062.20/119,780.48
  6. Step 6: Final answer
    x = 112,759.72

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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.