Home / 327,196.41-451,346.64-196,340.21

Finding the Fourth Proportional to 327,196.41, 451,346.64 and 196,340.21

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Solution

The fourth proportional to 327,196.41, 451,346.64 and 196,340.21 is: 270,838.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,196.41 : 451,346.64 = 196,340.21 : x
  2. Step 2: Convert to fraction form
    327,196.41/451,346.64 = 196,340.21/x
  3. Step 3: Cross multiply
    327,196.41x = 451,346.64 × 196,340.21
  4. Step 4: Simplify right side
    327,196.41x = 88,617,494,080.39
  5. Step 5: Solve for x
    x = 88,617,494,080.39/327,196.41
  6. Step 6: Final answer
    x = 270,838.83

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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.