Home / 260,845.60-391,196.16-92,343.76

Finding the Fourth Proportional to 260,845.60, 391,196.16 and 92,343.76

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Solution

The fourth proportional to 260,845.60, 391,196.16 and 92,343.76 is: 138,490.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,845.60 : 391,196.16 = 92,343.76 : x
  2. Step 2: Convert to fraction form
    260,845.60/391,196.16 = 92,343.76/x
  3. Step 3: Cross multiply
    260,845.60x = 391,196.16 × 92,343.76
  4. Step 4: Simplify right side
    260,845.60x = 36,124,524,311.96
  5. Step 5: Solve for x
    x = 36,124,524,311.96/260,845.60
  6. Step 6: Final answer
    x = 138,490.07

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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.