Home / 129,367.14-194,058.90-40,624.14

Finding the Fourth Proportional to 129,367.14, 194,058.90 and 40,624.14

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Solution

The fourth proportional to 129,367.14, 194,058.90 and 40,624.14 is: 60,938.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,367.14 : 194,058.90 = 40,624.14 : x
  2. Step 2: Convert to fraction form
    129,367.14/194,058.90 = 40,624.14/x
  3. Step 3: Cross multiply
    129,367.14x = 194,058.90 × 40,624.14
  4. Step 4: Simplify right side
    129,367.14x = 7,883,475,921.85
  5. Step 5: Solve for x
    x = 7,883,475,921.85/129,367.14
  6. Step 6: Final answer
    x = 60,938.78

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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.