Home / 141,241.20-194,914.26-76,711.70

Finding the Fourth Proportional to 141,241.20, 194,914.26 and 76,711.70

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Solution

The fourth proportional to 141,241.20, 194,914.26 and 76,711.70 is: 105,862.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,241.20 : 194,914.26 = 76,711.70 : x
  2. Step 2: Convert to fraction form
    141,241.20/194,914.26 = 76,711.70/x
  3. Step 3: Cross multiply
    141,241.20x = 194,914.26 × 76,711.70
  4. Step 4: Simplify right side
    141,241.20x = 14,952,203,481.98
  5. Step 5: Solve for x
    x = 14,952,203,481.98/141,241.20
  6. Step 6: Final answer
    x = 105,862.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.