Home / 141,694.38-195,534.54-81,300.78

Finding the Fourth Proportional to 141,694.38, 195,534.54 and 81,300.78

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Solution

The fourth proportional to 141,694.38, 195,534.54 and 81,300.78 is: 112,192.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,694.38 : 195,534.54 = 81,300.78 : x
  2. Step 2: Convert to fraction form
    141,694.38/195,534.54 = 81,300.78/x
  3. Step 3: Cross multiply
    141,694.38x = 195,534.54 × 81,300.78
  4. Step 4: Simplify right side
    141,694.38x = 15,897,110,618.94
  5. Step 5: Solve for x
    x = 15,897,110,618.94/141,694.38
  6. Step 6: Final answer
    x = 112,192.95

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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.