Home / 132,370.20-182,672.29-71,940.84

Finding the Fourth Proportional to 132,370.20, 182,672.29 and 71,940.84

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Solution

The fourth proportional to 132,370.20, 182,672.29 and 71,940.84 is: 99,279.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,370.20 : 182,672.29 = 71,940.84 : x
  2. Step 2: Convert to fraction form
    132,370.20/182,672.29 = 71,940.84/x
  3. Step 3: Cross multiply
    132,370.20x = 182,672.29 × 71,940.84
  4. Step 4: Simplify right side
    132,370.20x = 13,141,597,987.32
  5. Step 5: Solve for x
    x = 13,141,597,987.32/132,370.20
  6. Step 6: Final answer
    x = 99,279.13

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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.