Home / 323,736.20-485,604.30-99,096.20

Finding the Fourth Proportional to 323,736.20, 485,604.30 and 99,096.20

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Solution

The fourth proportional to 323,736.20, 485,604.30 and 99,096.20 is: 148,644.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,736.20 : 485,604.30 = 99,096.20 : x
  2. Step 2: Convert to fraction form
    323,736.20/485,604.30 = 99,096.20/x
  3. Step 3: Cross multiply
    323,736.20x = 485,604.30 × 99,096.20
  4. Step 4: Simplify right side
    323,736.20x = 48,121,540,833.66
  5. Step 5: Solve for x
    x = 48,121,540,833.66/323,736.20
  6. Step 6: Final answer
    x = 148,644.30

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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.