Home / 204,208.74-306,375.30-104,438.88

Finding the Fourth Proportional to 204,208.74, 306,375.30 and 104,438.88

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Solution

The fourth proportional to 204,208.74, 306,375.30 and 104,438.88 is: 156,690.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,208.74 : 306,375.30 = 104,438.88 : x
  2. Step 2: Convert to fraction form
    204,208.74/306,375.30 = 104,438.88/x
  3. Step 3: Cross multiply
    204,208.74x = 306,375.30 × 104,438.88
  4. Step 4: Simplify right side
    204,208.74x = 31,997,493,191.66
  5. Step 5: Solve for x
    x = 31,997,493,191.66/204,208.74
  6. Step 6: Final answer
    x = 156,690.13

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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.