Home / 186,976.60-280,562.10-81,806.20

Finding the Fourth Proportional to 186,976.60, 280,562.10 and 81,806.20

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Solution

The fourth proportional to 186,976.60, 280,562.10 and 81,806.20 is: 122,751.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,976.60 : 280,562.10 = 81,806.20 : x
  2. Step 2: Convert to fraction form
    186,976.60/280,562.10 = 81,806.20/x
  3. Step 3: Cross multiply
    186,976.60x = 280,562.10 × 81,806.20
  4. Step 4: Simplify right side
    186,976.60x = 22,951,719,265.02
  5. Step 5: Solve for x
    x = 22,951,719,265.02/186,976.60
  6. Step 6: Final answer
    x = 122,751.83

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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.