Home / 132,387.75-182,569.37-87,104.16

Finding the Fourth Proportional to 132,387.75, 182,569.37 and 87,104.16

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Solution

The fourth proportional to 132,387.75, 182,569.37 and 87,104.16 is: 120,121.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,387.75 : 182,569.37 = 87,104.16 : x
  2. Step 2: Convert to fraction form
    132,387.75/182,569.37 = 87,104.16/x
  3. Step 3: Cross multiply
    132,387.75x = 182,569.37 × 87,104.16
  4. Step 4: Simplify right side
    132,387.75x = 15,902,551,180.06
  5. Step 5: Solve for x
    x = 15,902,551,180.06/132,387.75
  6. Step 6: Final answer
    x = 120,121.02

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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.