Home / 129,049.94-193,565.34-54,167.06

Finding the Fourth Proportional to 129,049.94, 193,565.34 and 54,167.06

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Solution

The fourth proportional to 129,049.94, 193,565.34 and 54,167.06 is: 81,246.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,049.94 : 193,565.34 = 54,167.06 : x
  2. Step 2: Convert to fraction form
    129,049.94/193,565.34 = 54,167.06/x
  3. Step 3: Cross multiply
    129,049.94x = 193,565.34 × 54,167.06
  4. Step 4: Simplify right side
    129,049.94x = 10,484,864,147.04
  5. Step 5: Solve for x
    x = 10,484,864,147.04/129,049.94
  6. Step 6: Final answer
    x = 81,246.57

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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.