Home / 260,680.35-391,027.83-92,176.86

Finding the Fourth Proportional to 260,680.35, 391,027.83 and 92,176.86

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Solution

The fourth proportional to 260,680.35, 391,027.83 and 92,176.86 is: 138,267.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,680.35 : 391,027.83 = 92,176.86 : x
  2. Step 2: Convert to fraction form
    260,680.35/391,027.83 = 92,176.86/x
  3. Step 3: Cross multiply
    260,680.35x = 391,027.83 × 92,176.86
  4. Step 4: Simplify right side
    260,680.35x = 36,043,717,542.01
  5. Step 5: Solve for x
    x = 36,043,717,542.01/260,680.35
  6. Step 6: Final answer
    x = 138,267.87

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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.