Home / 141,454.57-195,209.24-81,025.18

Finding the Fourth Proportional to 141,454.57, 195,209.24 and 81,025.18

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Solution

The fourth proportional to 141,454.57, 195,209.24 and 81,025.18 is: 111,815.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,454.57 : 195,209.24 = 81,025.18 : x
  2. Step 2: Convert to fraction form
    141,454.57/195,209.24 = 81,025.18/x
  3. Step 3: Cross multiply
    141,454.57x = 195,209.24 × 81,025.18
  4. Step 4: Simplify right side
    141,454.57x = 15,816,862,832.62
  5. Step 5: Solve for x
    x = 15,816,862,832.62/141,454.57
  6. Step 6: Final answer
    x = 111,815.85

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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.