Home / 204,219.43-306,370.66-71,110.07

Finding the Fourth Proportional to 204,219.43, 306,370.66 and 71,110.07

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Solution

The fourth proportional to 204,219.43, 306,370.66 and 71,110.07 is: 106,679.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,219.43 : 306,370.66 = 71,110.07 : x
  2. Step 2: Convert to fraction form
    204,219.43/306,370.66 = 71,110.07/x
  3. Step 3: Cross multiply
    204,219.43x = 306,370.66 × 71,110.07
  4. Step 4: Simplify right side
    204,219.43x = 21,786,039,078.55
  5. Step 5: Solve for x
    x = 21,786,039,078.55/204,219.43
  6. Step 6: Final answer
    x = 106,679.56

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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.