Home / 132,162.18-182,384.35-71,732.91

Finding the Fourth Proportional to 132,162.18, 182,384.35 and 71,732.91

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Solution

The fourth proportional to 132,162.18, 182,384.35 and 71,732.91 is: 98,991.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,162.18 : 182,384.35 = 71,732.91 : x
  2. Step 2: Convert to fraction form
    132,162.18/182,384.35 = 71,732.91/x
  3. Step 3: Cross multiply
    132,162.18x = 182,384.35 × 71,732.91
  4. Step 4: Simplify right side
    132,162.18x = 13,082,960,163.96
  5. Step 5: Solve for x
    x = 13,082,960,163.96/132,162.18
  6. Step 6: Final answer
    x = 98,991.71

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1.5x scale

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.