Home / 131,872.26-182,016.30-75,316.44

Finding the Fourth Proportional to 131,872.26, 182,016.30 and 75,316.44

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Solution

The fourth proportional to 131,872.26, 182,016.30 and 75,316.44 is: 103,955.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,872.26 : 182,016.30 = 75,316.44 : x
  2. Step 2: Convert to fraction form
    131,872.26/182,016.30 = 75,316.44/x
  3. Step 3: Cross multiply
    131,872.26x = 182,016.30 × 75,316.44
  4. Step 4: Simplify right side
    131,872.26x = 13,708,819,737.97
  5. Step 5: Solve for x
    x = 13,708,819,737.97/131,872.26
  6. Step 6: Final answer
    x = 103,955.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.