Home / 204,450.48-306,601.20-71,305.92

Finding the Fourth Proportional to 204,450.48, 306,601.20 and 71,305.92

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Solution

The fourth proportional to 204,450.48, 306,601.20 and 71,305.92 is: 106,932.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,450.48 : 306,601.20 = 71,305.92 : x
  2. Step 2: Convert to fraction form
    204,450.48/306,601.20 = 71,305.92/x
  3. Step 3: Cross multiply
    204,450.48x = 306,601.20 × 71,305.92
  4. Step 4: Simplify right side
    204,450.48x = 21,862,480,639.10
  5. Step 5: Solve for x
    x = 21,862,480,639.10/204,450.48
  6. Step 6: Final answer
    x = 106,932.89

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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.