Home / 327,219.12-451,377.96-196,362.90

Finding the Fourth Proportional to 327,219.12, 451,377.96 and 196,362.90

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Solution

The fourth proportional to 327,219.12, 451,377.96 and 196,362.90 is: 270,870.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,219.12 : 451,377.96 = 196,362.90 : x
  2. Step 2: Convert to fraction form
    327,219.12/451,377.96 = 196,362.90/x
  3. Step 3: Cross multiply
    327,219.12x = 451,377.96 × 196,362.90
  4. Step 4: Simplify right side
    327,219.12x = 88,633,885,221.68
  5. Step 5: Solve for x
    x = 88,633,885,221.68/327,219.12
  6. Step 6: Final answer
    x = 270,870.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.