Home / 327,196.75-451,347.12-196,340.56

Finding the Fourth Proportional to 327,196.75, 451,347.12 and 196,340.56

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Solution

The fourth proportional to 327,196.75, 451,347.12 and 196,340.56 is: 270,839.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,196.75 : 451,347.12 = 196,340.56 : x
  2. Step 2: Convert to fraction form
    327,196.75/451,347.12 = 196,340.56/x
  3. Step 3: Cross multiply
    327,196.75x = 451,347.12 × 196,340.56
  4. Step 4: Simplify right side
    327,196.75x = 88,617,746,295.19
  5. Step 5: Solve for x
    x = 88,617,746,295.19/327,196.75
  6. Step 6: Final answer
    x = 270,839.32

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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.