Home / 141,170.27-194,759.40-80,708.42

Finding the Fourth Proportional to 141,170.27, 194,759.40 and 80,708.42

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Solution

The fourth proportional to 141,170.27, 194,759.40 and 80,708.42 is: 111,345.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,170.27 : 194,759.40 = 80,708.42 : x
  2. Step 2: Convert to fraction form
    141,170.27/194,759.40 = 80,708.42/x
  3. Step 3: Cross multiply
    141,170.27x = 194,759.40 × 80,708.42
  4. Step 4: Simplify right side
    141,170.27x = 15,718,724,243.70
  5. Step 5: Solve for x
    x = 15,718,724,243.70/141,170.27
  6. Step 6: Final answer
    x = 111,345.86

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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.