Home / 129,667.17-194,167.31-104,247.21

Finding the Fourth Proportional to 129,667.17, 194,167.31 and 104,247.21

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Solution

The fourth proportional to 129,667.17, 194,167.31 and 104,247.21 is: 156,102.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,667.17 : 194,167.31 = 104,247.21 : x
  2. Step 2: Convert to fraction form
    129,667.17/194,167.31 = 104,247.21/x
  3. Step 3: Cross multiply
    129,667.17x = 194,167.31 × 104,247.21
  4. Step 4: Simplify right side
    129,667.17x = 20,241,399,819.47
  5. Step 5: Solve for x
    x = 20,241,399,819.47/129,667.17
  6. Step 6: Final answer
    x = 156,102.73

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1.5x scale

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.