Home / 185,972.52-278,788.68-80,753.52

Finding the Fourth Proportional to 185,972.52, 278,788.68 and 80,753.52

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Solution

The fourth proportional to 185,972.52, 278,788.68 and 80,753.52 is: 121,056.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,972.52 : 278,788.68 = 80,753.52 : x
  2. Step 2: Convert to fraction form
    185,972.52/278,788.68 = 80,753.52/x
  3. Step 3: Cross multiply
    185,972.52x = 278,788.68 × 80,753.52
  4. Step 4: Simplify right side
    185,972.52x = 22,513,167,246.15
  5. Step 5: Solve for x
    x = 22,513,167,246.15/185,972.52
  6. Step 6: Final answer
    x = 121,056.42

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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.