Home / 204,334.56-306,103.32-115,318.80

Finding the Fourth Proportional to 204,334.56, 306,103.32 and 115,318.80

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Solution

The fourth proportional to 204,334.56, 306,103.32 and 115,318.80 is: 172,753.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,334.56 : 306,103.32 = 115,318.80 : x
  2. Step 2: Convert to fraction form
    204,334.56/306,103.32 = 115,318.80/x
  3. Step 3: Cross multiply
    204,334.56x = 306,103.32 × 115,318.80
  4. Step 4: Simplify right side
    204,334.56x = 35,299,467,538.42
  5. Step 5: Solve for x
    x = 35,299,467,538.42/204,334.56
  6. Step 6: Final answer
    x = 172,753.29

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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.