Home / 129,248.82-193,887.12-54,376.59

Finding the Fourth Proportional to 129,248.82, 193,887.12 and 54,376.59

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Solution

The fourth proportional to 129,248.82, 193,887.12 and 54,376.59 is: 81,570.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,248.82 : 193,887.12 = 54,376.59 : x
  2. Step 2: Convert to fraction form
    129,248.82/193,887.12 = 54,376.59/x
  3. Step 3: Cross multiply
    129,248.82x = 193,887.12 × 54,376.59
  4. Step 4: Simplify right side
    129,248.82x = 10,542,920,430.52
  5. Step 5: Solve for x
    x = 10,542,920,430.52/129,248.82
  6. Step 6: Final answer
    x = 81,570.73

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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.