Home / 140,896.87-194,451.13-80,476.54

Finding the Fourth Proportional to 140,896.87, 194,451.13 and 80,476.54

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Solution

The fourth proportional to 140,896.87, 194,451.13 and 80,476.54 is: 111,065.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,896.87 : 194,451.13 = 80,476.54 : x
  2. Step 2: Convert to fraction form
    140,896.87/194,451.13 = 80,476.54/x
  3. Step 3: Cross multiply
    140,896.87x = 194,451.13 × 80,476.54
  4. Step 4: Simplify right side
    140,896.87x = 15,648,753,755.96
  5. Step 5: Solve for x
    x = 15,648,753,755.96/140,896.87
  6. Step 6: Final answer
    x = 111,065.31

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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.