Home / 129,441.26-194,170.22-40,698.20

Finding the Fourth Proportional to 129,441.26, 194,170.22 and 40,698.20

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Solution

The fourth proportional to 129,441.26, 194,170.22 and 40,698.20 is: 61,049.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,441.26 : 194,170.22 = 40,698.20 : x
  2. Step 2: Convert to fraction form
    129,441.26/194,170.22 = 40,698.20/x
  3. Step 3: Cross multiply
    129,441.26x = 194,170.22 × 40,698.20
  4. Step 4: Simplify right side
    129,441.26x = 7,902,378,447.60
  5. Step 5: Solve for x
    x = 7,902,378,447.60/129,441.26
  6. Step 6: Final answer
    x = 61,049.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.