Home / 141,169.02-194,757.68-80,707.17

Finding the Fourth Proportional to 141,169.02, 194,757.68 and 80,707.17

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Solution

The fourth proportional to 141,169.02, 194,757.68 and 80,707.17 is: 111,344.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,169.02 : 194,757.68 = 80,707.17 : x
  2. Step 2: Convert to fraction form
    141,169.02/194,757.68 = 80,707.17/x
  3. Step 3: Cross multiply
    141,169.02x = 194,757.68 × 80,707.17
  4. Step 4: Simplify right side
    141,169.02x = 15,718,341,188.57
  5. Step 5: Solve for x
    x = 15,718,341,188.57/141,169.02
  6. Step 6: Final answer
    x = 111,344.13

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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.