Home / 204,320.17-306,385.62-113,074.21

Finding the Fourth Proportional to 204,320.17, 306,385.62 and 113,074.21

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Solution

The fourth proportional to 204,320.17, 306,385.62 and 113,074.21 is: 169,558.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,320.17 : 306,385.62 = 113,074.21 : x
  2. Step 2: Convert to fraction form
    204,320.17/306,385.62 = 113,074.21/x
  3. Step 3: Cross multiply
    204,320.17x = 306,385.62 × 113,074.21
  4. Step 4: Simplify right side
    204,320.17x = 34,644,311,936.86
  5. Step 5: Solve for x
    x = 34,644,311,936.86/204,320.17
  6. Step 6: Final answer
    x = 169,558.94

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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.