Home / 204,136.66-306,255.22-71,018.06

Finding the Fourth Proportional to 204,136.66, 306,255.22 and 71,018.06

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Solution

The fourth proportional to 204,136.66, 306,255.22 and 71,018.06 is: 106,544.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,136.66 : 306,255.22 = 71,018.06 : x
  2. Step 2: Convert to fraction form
    204,136.66/306,255.22 = 71,018.06/x
  3. Step 3: Cross multiply
    204,136.66x = 306,255.22 × 71,018.06
  4. Step 4: Simplify right side
    204,136.66x = 21,749,651,589.27
  5. Step 5: Solve for x
    x = 21,749,651,589.27/204,136.66
  6. Step 6: Final answer
    x = 106,544.56

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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.