Home / 130,616.20-195,632.70-107,288.20

Finding the Fourth Proportional to 130,616.20, 195,632.70 and 107,288.20

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Solution

The fourth proportional to 130,616.20, 195,632.70 and 107,288.20 is: 160,692.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,616.20 : 195,632.70 = 107,288.20 : x
  2. Step 2: Convert to fraction form
    130,616.20/195,632.70 = 107,288.20/x
  3. Step 3: Cross multiply
    130,616.20x = 195,632.70 × 107,288.20
  4. Step 4: Simplify right side
    130,616.20x = 20,989,080,244.14
  5. Step 5: Solve for x
    x = 20,989,080,244.14/130,616.20
  6. Step 6: Final answer
    x = 160,692.78

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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.