Home / 204,234.16-306,352.72-71,114.20

Finding the Fourth Proportional to 204,234.16, 306,352.72 and 71,114.20

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Solution

The fourth proportional to 204,234.16, 306,352.72 and 71,114.20 is: 106,671.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,234.16 : 306,352.72 = 71,114.20 : x
  2. Step 2: Convert to fraction form
    204,234.16/306,352.72 = 71,114.20/x
  3. Step 3: Cross multiply
    204,234.16x = 306,352.72 × 71,114.20
  4. Step 4: Simplify right side
    204,234.16x = 21,786,028,600.62
  5. Step 5: Solve for x
    x = 21,786,028,600.62/204,234.16
  6. Step 6: Final answer
    x = 106,671.82

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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.