Home / 141,577.28-195,202.08-129,679.04

Finding the Fourth Proportional to 141,577.28, 195,202.08 and 129,679.04

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Solution

The fourth proportional to 141,577.28, 195,202.08 and 129,679.04 is: 178,797.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,577.28 : 195,202.08 = 129,679.04 : x
  2. Step 2: Convert to fraction form
    141,577.28/195,202.08 = 129,679.04/x
  3. Step 3: Cross multiply
    141,577.28x = 195,202.08 × 129,679.04
  4. Step 4: Simplify right side
    141,577.28x = 25,313,618,340.40
  5. Step 5: Solve for x
    x = 25,313,618,340.40/141,577.28
  6. Step 6: Final answer
    x = 178,797.18

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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.