Home / 132,301.32-182,575.08-71,871.44

Finding the Fourth Proportional to 132,301.32, 182,575.08 and 71,871.44

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Solution

The fourth proportional to 132,301.32, 182,575.08 and 71,871.44 is: 99,182.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,301.32 : 182,575.08 = 71,871.44 : x
  2. Step 2: Convert to fraction form
    132,301.32/182,575.08 = 71,871.44/x
  3. Step 3: Cross multiply
    132,301.32x = 182,575.08 × 71,871.44
  4. Step 4: Simplify right side
    132,301.32x = 13,121,933,907.72
  5. Step 5: Solve for x
    x = 13,121,933,907.72/132,301.32
  6. Step 6: Final answer
    x = 99,182.18

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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.