Home / 204,229.40-306,635.70-115,655.90

Finding the Fourth Proportional to 204,229.40, 306,635.70 and 115,655.90

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Solution

The fourth proportional to 204,229.40, 306,635.70 and 115,655.90 is: 173,648.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,229.40 : 306,635.70 = 115,655.90 : x
  2. Step 2: Convert to fraction form
    204,229.40/306,635.70 = 115,655.90/x
  3. Step 3: Cross multiply
    204,229.40x = 306,635.70 × 115,655.90
  4. Step 4: Simplify right side
    204,229.40x = 35,464,227,855.63
  5. Step 5: Solve for x
    x = 35,464,227,855.63/204,229.40
  6. Step 6: Final answer
    x = 173,648.98

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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.