Home / 327,588.16-491,384.98-90,949.29

Finding the Fourth Proportional to 327,588.16, 491,384.98 and 90,949.29

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Solution

The fourth proportional to 327,588.16, 491,384.98 and 90,949.29 is: 136,424.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,588.16 : 491,384.98 = 90,949.29 : x
  2. Step 2: Convert to fraction form
    327,588.16/491,384.98 = 90,949.29/x
  3. Step 3: Cross multiply
    327,588.16x = 491,384.98 × 90,949.29
  4. Step 4: Simplify right side
    327,588.16x = 44,691,114,046.58
  5. Step 5: Solve for x
    x = 44,691,114,046.58/327,588.16
  6. Step 6: Final answer
    x = 136,424.69

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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.