Home / 185,781.76-278,768.64-92,285.44

Finding the Fourth Proportional to 185,781.76, 278,768.64 and 92,285.44

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Solution

The fourth proportional to 185,781.76, 278,768.64 and 92,285.44 is: 138,475.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,781.76 : 278,768.64 = 92,285.44 : x
  2. Step 2: Convert to fraction form
    185,781.76/278,768.64 = 92,285.44/x
  3. Step 3: Cross multiply
    185,781.76x = 278,768.64 × 92,285.44
  4. Step 4: Simplify right side
    185,781.76x = 25,726,286,600.60
  5. Step 5: Solve for x
    x = 25,726,286,600.60/185,781.76
  6. Step 6: Final answer
    x = 138,475.85

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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.