Home / 115,183.20-172,793.28-48,633.20

Finding the Fourth Proportional to 115,183.20, 172,793.28 and 48,633.20

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Solution

The fourth proportional to 115,183.20, 172,793.28 and 48,633.20 is: 72,957.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,183.20 : 172,793.28 = 48,633.20 : x
  2. Step 2: Convert to fraction form
    115,183.20/172,793.28 = 48,633.20/x
  3. Step 3: Cross multiply
    115,183.20x = 172,793.28 × 48,633.20
  4. Step 4: Simplify right side
    115,183.20x = 8,403,490,144.90
  5. Step 5: Solve for x
    x = 8,403,490,144.90/115,183.20
  6. Step 6: Final answer
    x = 72,957.60

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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.