Home / 141,380.75-195,105.84-80,952.32

Finding the Fourth Proportional to 141,380.75, 195,105.84 and 80,952.32

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Solution

The fourth proportional to 141,380.75, 195,105.84 and 80,952.32 is: 111,714.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,380.75 : 195,105.84 = 80,952.32 : x
  2. Step 2: Convert to fraction form
    141,380.75/195,105.84 = 80,952.32/x
  3. Step 3: Cross multiply
    141,380.75x = 195,105.84 × 80,952.32
  4. Step 4: Simplify right side
    141,380.75x = 15,794,270,393.55
  5. Step 5: Solve for x
    x = 15,794,270,393.55/141,380.75
  6. Step 6: Final answer
    x = 111,714.43

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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.