Home / 130,740.97-195,926.07-54,757.66

Finding the Fourth Proportional to 130,740.97, 195,926.07 and 54,757.66

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Solution

The fourth proportional to 130,740.97, 195,926.07 and 54,757.66 is: 82,058.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,740.97 : 195,926.07 = 54,757.66 : x
  2. Step 2: Convert to fraction form
    130,740.97/195,926.07 = 54,757.66/x
  3. Step 3: Cross multiply
    130,740.97x = 195,926.07 × 54,757.66
  4. Step 4: Simplify right side
    130,740.97x = 10,728,453,126.20
  5. Step 5: Solve for x
    x = 10,728,453,126.20/130,740.97
  6. Step 6: Final answer
    x = 82,058.85

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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.