Home / 141,707.97-195,542.52-87,251.49

Finding the Fourth Proportional to 141,707.97, 195,542.52 and 87,251.49

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Solution

The fourth proportional to 141,707.97, 195,542.52 and 87,251.49 is: 120,398.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,707.97 : 195,542.52 = 87,251.49 : x
  2. Step 2: Convert to fraction form
    141,707.97/195,542.52 = 87,251.49/x
  3. Step 3: Cross multiply
    141,707.97x = 195,542.52 × 87,251.49
  4. Step 4: Simplify right side
    141,707.97x = 17,061,376,228.35
  5. Step 5: Solve for x
    x = 17,061,376,228.35/141,707.97
  6. Step 6: Final answer
    x = 120,398.14

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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.