Home / 204,335.85-306,491.43-76,227.47

Finding the Fourth Proportional to 204,335.85, 306,491.43 and 76,227.47

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Solution

The fourth proportional to 204,335.85, 306,491.43 and 76,227.47 is: 114,336.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,335.85 : 306,491.43 = 76,227.47 : x
  2. Step 2: Convert to fraction form
    204,335.85/306,491.43 = 76,227.47/x
  3. Step 3: Cross multiply
    204,335.85x = 306,491.43 × 76,227.47
  4. Step 4: Simplify right side
    204,335.85x = 23,363,064,753.12
  5. Step 5: Solve for x
    x = 23,363,064,753.12/204,335.85
  6. Step 6: Final answer
    x = 114,336.59

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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.