Home / 132,245.30-182,498.92-71,816.96

Finding the Fourth Proportional to 132,245.30, 182,498.92 and 71,816.96

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Solution

The fourth proportional to 132,245.30, 182,498.92 and 71,816.96 is: 99,107.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,245.30 : 182,498.92 = 71,816.96 : x
  2. Step 2: Convert to fraction form
    132,245.30/182,498.92 = 71,816.96/x
  3. Step 3: Cross multiply
    132,245.30x = 182,498.92 × 71,816.96
  4. Step 4: Simplify right side
    132,245.30x = 13,106,517,637.68
  5. Step 5: Solve for x
    x = 13,106,517,637.68/132,245.30
  6. Step 6: Final answer
    x = 99,107.63

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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.