Home / 141,760.17-195,622.02-78,086.07

Finding the Fourth Proportional to 141,760.17, 195,622.02 and 78,086.07

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Solution

The fourth proportional to 141,760.17, 195,622.02 and 78,086.07 is: 107,754.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,760.17 : 195,622.02 = 78,086.07 : x
  2. Step 2: Convert to fraction form
    141,760.17/195,622.02 = 78,086.07/x
  3. Step 3: Cross multiply
    141,760.17x = 195,622.02 × 78,086.07
  4. Step 4: Simplify right side
    141,760.17x = 15,275,354,747.26
  5. Step 5: Solve for x
    x = 15,275,354,747.26/141,760.17
  6. Step 6: Final answer
    x = 107,754.91

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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.