Home / 130,531.20-195,821.34-41,760.90

Finding the Fourth Proportional to 130,531.20, 195,821.34 and 41,760.90

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Solution

The fourth proportional to 130,531.20, 195,821.34 and 41,760.90 is: 62,649.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,531.20 : 195,821.34 = 41,760.90 : x
  2. Step 2: Convert to fraction form
    130,531.20/195,821.34 = 41,760.90/x
  3. Step 3: Cross multiply
    130,531.20x = 195,821.34 × 41,760.90
  4. Step 4: Simplify right side
    130,531.20x = 8,177,675,397.61
  5. Step 5: Solve for x
    x = 8,177,675,397.61/130,531.20
  6. Step 6: Final answer
    x = 62,649.20

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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.