Home / 129,958.23-194,961.66-41,187.90

Finding the Fourth Proportional to 129,958.23, 194,961.66 and 41,187.90

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Solution

The fourth proportional to 129,958.23, 194,961.66 and 41,187.90 is: 61,789.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,958.23 : 194,961.66 = 41,187.90 : x
  2. Step 2: Convert to fraction form
    129,958.23/194,961.66 = 41,187.90/x
  3. Step 3: Cross multiply
    129,958.23x = 194,961.66 × 41,187.90
  4. Step 4: Simplify right side
    129,958.23x = 8,030,061,355.91
  5. Step 5: Solve for x
    x = 8,030,061,355.91/129,958.23
  6. Step 6: Final answer
    x = 61,789.56

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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.