Home / 327,327.12-490,990.68-102,722.22

Finding the Fourth Proportional to 327,327.12, 490,990.68 and 102,722.22

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Solution

The fourth proportional to 327,327.12, 490,990.68 and 102,722.22 is: 154,083.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,327.12 : 490,990.68 = 102,722.22 : x
  2. Step 2: Convert to fraction form
    327,327.12/490,990.68 = 102,722.22/x
  3. Step 3: Cross multiply
    327,327.12x = 490,990.68 × 102,722.22
  4. Step 4: Simplify right side
    327,327.12x = 50,435,652,648.91
  5. Step 5: Solve for x
    x = 50,435,652,648.91/327,327.12
  6. Step 6: Final answer
    x = 154,083.33

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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.