Home / 204,643.56-306,951.08-76,535.44

Finding the Fourth Proportional to 204,643.56, 306,951.08 and 76,535.44

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Solution

The fourth proportional to 204,643.56, 306,951.08 and 76,535.44 is: 114,797.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,643.56 : 306,951.08 = 76,535.44 : x
  2. Step 2: Convert to fraction form
    204,643.56/306,951.08 = 76,535.44/x
  3. Step 3: Cross multiply
    204,643.56x = 306,951.08 × 76,535.44
  4. Step 4: Simplify right side
    204,643.56x = 23,492,635,966.28
  5. Step 5: Solve for x
    x = 23,492,635,966.28/204,643.56
  6. Step 6: Final answer
    x = 114,797.83

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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.