Home / 185,910.50-278,815.88-80,704.46

Finding the Fourth Proportional to 185,910.50, 278,815.88 and 80,704.46

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Solution

The fourth proportional to 185,910.50, 278,815.88 and 80,704.46 is: 121,035.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,910.50 : 278,815.88 = 80,704.46 : x
  2. Step 2: Convert to fraction form
    185,910.50/278,815.88 = 80,704.46/x
  3. Step 3: Cross multiply
    185,910.50x = 278,815.88 × 80,704.46
  4. Step 4: Simplify right side
    185,910.50x = 22,501,685,034.82
  5. Step 5: Solve for x
    x = 22,501,685,034.82/185,910.50
  6. Step 6: Final answer
    x = 121,035.04

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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.