Home / 185,910.17-278,815.43-80,704.13

Finding the Fourth Proportional to 185,910.17, 278,815.43 and 80,704.13

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Solution

The fourth proportional to 185,910.17, 278,815.43 and 80,704.13 is: 121,034.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,910.17 : 278,815.43 = 80,704.13 : x
  2. Step 2: Convert to fraction form
    185,910.17/278,815.43 = 80,704.13/x
  3. Step 3: Cross multiply
    185,910.17x = 278,815.43 × 80,704.13
  4. Step 4: Simplify right side
    185,910.17x = 22,501,555,516.41
  5. Step 5: Solve for x
    x = 22,501,555,516.41/185,910.17
  6. Step 6: Final answer
    x = 121,034.56

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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.