Home / 327,792.15-491,687.49-103,172.22

Finding the Fourth Proportional to 327,792.15, 491,687.49 and 103,172.22

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Solution

The fourth proportional to 327,792.15, 491,687.49 and 103,172.22 is: 154,758.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,792.15 : 491,687.49 = 103,172.22 : x
  2. Step 2: Convert to fraction form
    327,792.15/491,687.49 = 103,172.22/x
  3. Step 3: Cross multiply
    327,792.15x = 491,687.49 × 103,172.22
  4. Step 4: Simplify right side
    327,792.15x = 50,728,489,889.53
  5. Step 5: Solve for x
    x = 50,728,489,889.53/327,792.15
  6. Step 6: Final answer
    x = 154,758.10

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1.5x scale

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.