Home / 132,297.92-182,573.12-71,869.76

Finding the Fourth Proportional to 132,297.92, 182,573.12 and 71,869.76

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Solution

The fourth proportional to 132,297.92, 182,573.12 and 71,869.76 is: 99,181.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,297.92 : 182,573.12 = 71,869.76 : x
  2. Step 2: Convert to fraction form
    132,297.92/182,573.12 = 71,869.76/x
  3. Step 3: Cross multiply
    132,297.92x = 182,573.12 × 71,869.76
  4. Step 4: Simplify right side
    132,297.92x = 13,121,486,316.85
  5. Step 5: Solve for x
    x = 13,121,486,316.85/132,297.92
  6. Step 6: Final answer
    x = 99,181.35

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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.