Home / 220,966.20-331,449.30-96,550.20

Finding the Fourth Proportional to 220,966.20, 331,449.30 and 96,550.20

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Solution

The fourth proportional to 220,966.20, 331,449.30 and 96,550.20 is: 144,825.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,966.20 : 331,449.30 = 96,550.20 : x
  2. Step 2: Convert to fraction form
    220,966.20/331,449.30 = 96,550.20/x
  3. Step 3: Cross multiply
    220,966.20x = 331,449.30 × 96,550.20
  4. Step 4: Simplify right side
    220,966.20x = 32,001,496,204.86
  5. Step 5: Solve for x
    x = 32,001,496,204.86/220,966.20
  6. Step 6: Final answer
    x = 144,825.30

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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.