Home / 141,446.28-195,140.62-80,984.61

Finding the Fourth Proportional to 141,446.28, 195,140.62 and 80,984.61

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Solution

The fourth proportional to 141,446.28, 195,140.62 and 80,984.61 is: 111,727.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,446.28 : 195,140.62 = 80,984.61 : x
  2. Step 2: Convert to fraction form
    141,446.28/195,140.62 = 80,984.61/x
  3. Step 3: Cross multiply
    141,446.28x = 195,140.62 × 80,984.61
  4. Step 4: Simplify right side
    141,446.28x = 15,803,386,879.32
  5. Step 5: Solve for x
    x = 15,803,386,879.32/141,446.28
  6. Step 6: Final answer
    x = 111,727.13

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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.