Home / 129,327.28-193,999.13-40,584.29

Finding the Fourth Proportional to 129,327.28, 193,999.13 and 40,584.29

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Solution

The fourth proportional to 129,327.28, 193,999.13 and 40,584.29 is: 60,879.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,327.28 : 193,999.13 = 40,584.29 : x
  2. Step 2: Convert to fraction form
    129,327.28/193,999.13 = 40,584.29/x
  3. Step 3: Cross multiply
    129,327.28x = 193,999.13 × 40,584.29
  4. Step 4: Simplify right side
    129,327.28x = 7,873,316,951.67
  5. Step 5: Solve for x
    x = 7,873,316,951.67/129,327.28
  6. Step 6: Final answer
    x = 60,879.01

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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.