Home / 194,226.60-291,221.10-75,761.40

Finding the Fourth Proportional to 194,226.60, 291,221.10 and 75,761.40

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Solution

The fourth proportional to 194,226.60, 291,221.10 and 75,761.40 is: 113,595.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,226.60 : 291,221.10 = 75,761.40 : x
  2. Step 2: Convert to fraction form
    194,226.60/291,221.10 = 75,761.40/x
  3. Step 3: Cross multiply
    194,226.60x = 291,221.10 × 75,761.40
  4. Step 4: Simplify right side
    194,226.60x = 22,063,318,245.54
  5. Step 5: Solve for x
    x = 22,063,318,245.54/194,226.60
  6. Step 6: Final answer
    x = 113,595.76

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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.