Home / 132,379.92-182,685.38-71,950.58

Finding the Fourth Proportional to 132,379.92, 182,685.38 and 71,950.58

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Solution

The fourth proportional to 132,379.92, 182,685.38 and 71,950.58 is: 99,292.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,379.92 : 182,685.38 = 71,950.58 : x
  2. Step 2: Convert to fraction form
    132,379.92/182,685.38 = 71,950.58/x
  3. Step 3: Cross multiply
    132,379.92x = 182,685.38 × 71,950.58
  4. Step 4: Simplify right side
    132,379.92x = 13,144,318,460.41
  5. Step 5: Solve for x
    x = 13,144,318,460.41/132,379.92
  6. Step 6: Final answer
    x = 99,292.39

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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.