Home / 132,279.92-182,548.26-71,851.74

Finding the Fourth Proportional to 132,279.92, 182,548.26 and 71,851.74

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Solution

The fourth proportional to 132,279.92, 182,548.26 and 71,851.74 is: 99,156.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,279.92 : 182,548.26 = 71,851.74 : x
  2. Step 2: Convert to fraction form
    132,279.92/182,548.26 = 71,851.74/x
  3. Step 3: Cross multiply
    132,279.92x = 182,548.26 × 71,851.74
  4. Step 4: Simplify right side
    132,279.92x = 13,116,410,114.97
  5. Step 5: Solve for x
    x = 13,116,410,114.97/132,279.92
  6. Step 6: Final answer
    x = 99,156.47

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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.