Home / 204,788.61-307,321.22-71,670.02

Finding the Fourth Proportional to 204,788.61, 307,321.22 and 71,670.02

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Solution

The fourth proportional to 204,788.61, 307,321.22 and 71,670.02 is: 107,553.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,788.61 : 307,321.22 = 71,670.02 : x
  2. Step 2: Convert to fraction form
    204,788.61/307,321.22 = 71,670.02/x
  3. Step 3: Cross multiply
    204,788.61x = 307,321.22 × 71,670.02
  4. Step 4: Simplify right side
    204,788.61x = 22,025,716,626.39
  5. Step 5: Solve for x
    x = 22,025,716,626.39/204,788.61
  6. Step 6: Final answer
    x = 107,553.43

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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.