Home / 204,635.94-306,939.61-76,527.85

Finding the Fourth Proportional to 204,635.94, 306,939.61 and 76,527.85

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Solution

The fourth proportional to 204,635.94, 306,939.61 and 76,527.85 is: 114,786.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,635.94 : 306,939.61 = 76,527.85 : x
  2. Step 2: Convert to fraction form
    204,635.94/306,939.61 = 76,527.85/x
  3. Step 3: Cross multiply
    204,635.94x = 306,939.61 × 76,527.85
  4. Step 4: Simplify right side
    204,635.94x = 23,489,428,433.14
  5. Step 5: Solve for x
    x = 23,489,428,433.14/204,635.94
  6. Step 6: Final answer
    x = 114,786.43

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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.