Home / 132,302.52-182,574.40-71,871.80

Finding the Fourth Proportional to 132,302.52, 182,574.40 and 71,871.80

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Solution

The fourth proportional to 132,302.52, 182,574.40 and 71,871.80 is: 99,181.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,302.52 : 182,574.40 = 71,871.80 : x
  2. Step 2: Convert to fraction form
    132,302.52/182,574.40 = 71,871.80/x
  3. Step 3: Cross multiply
    132,302.52x = 182,574.40 × 71,871.80
  4. Step 4: Simplify right side
    132,302.52x = 13,121,950,761.92
  5. Step 5: Solve for x
    x = 13,121,950,761.92/132,302.52
  6. Step 6: Final answer
    x = 99,181.41

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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.