Home / 132,286.88-182,557.96-71,858.72

Finding the Fourth Proportional to 132,286.88, 182,557.96 and 71,858.72

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Solution

The fourth proportional to 132,286.88, 182,557.96 and 71,858.72 is: 99,166.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,286.88 : 182,557.96 = 71,858.72 : x
  2. Step 2: Convert to fraction form
    132,286.88/182,557.96 = 71,858.72/x
  3. Step 3: Cross multiply
    132,286.88x = 182,557.96 × 71,858.72
  4. Step 4: Simplify right side
    132,286.88x = 13,118,381,331.41
  5. Step 5: Solve for x
    x = 13,118,381,331.41/132,286.88
  6. Step 6: Final answer
    x = 99,166.16

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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.