Home / 129,909.31-194,869.44-41,160.85

Finding the Fourth Proportional to 129,909.31, 194,869.44 and 41,160.85

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Solution

The fourth proportional to 129,909.31, 194,869.44 and 41,160.85 is: 61,743.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,909.31 : 194,869.44 = 41,160.85 : x
  2. Step 2: Convert to fraction form
    129,909.31/194,869.44 = 41,160.85/x
  3. Step 3: Cross multiply
    129,909.31x = 194,869.44 × 41,160.85
  4. Step 4: Simplify right side
    129,909.31x = 8,020,991,302.25
  5. Step 5: Solve for x
    x = 8,020,991,302.25/129,909.31
  6. Step 6: Final answer
    x = 61,743.01

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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.