Home / 131,896.38-182,020.40-80,937.27

Finding the Fourth Proportional to 131,896.38, 182,020.40 and 80,937.27

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Solution

The fourth proportional to 131,896.38, 182,020.40 and 80,937.27 is: 111,695.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,896.38 : 182,020.40 = 80,937.27 : x
  2. Step 2: Convert to fraction form
    131,896.38/182,020.40 = 80,937.27/x
  3. Step 3: Cross multiply
    131,896.38x = 182,020.40 × 80,937.27
  4. Step 4: Simplify right side
    131,896.38x = 14,732,234,057.96
  5. Step 5: Solve for x
    x = 14,732,234,057.96/131,896.38
  6. Step 6: Final answer
    x = 111,695.51

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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.