Home / 327,496.72-491,245.04-90,839.41

Finding the Fourth Proportional to 327,496.72, 491,245.04 and 90,839.41

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Solution

The fourth proportional to 327,496.72, 491,245.04 and 90,839.41 is: 136,259.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,496.72 : 491,245.04 = 90,839.41 : x
  2. Step 2: Convert to fraction form
    327,496.72/491,245.04 = 90,839.41/x
  3. Step 3: Cross multiply
    327,496.72x = 491,245.04 × 90,839.41
  4. Step 4: Simplify right side
    327,496.72x = 44,624,407,142.80
  5. Step 5: Solve for x
    x = 44,624,407,142.80/327,496.72
  6. Step 6: Final answer
    x = 136,259.10

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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.