Home / 204,072.59-306,111.44-54,311.95

Finding the Fourth Proportional to 204,072.59, 306,111.44 and 54,311.95

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Solution

The fourth proportional to 204,072.59, 306,111.44 and 54,311.95 is: 81,468.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,072.59 : 306,111.44 = 54,311.95 : x
  2. Step 2: Convert to fraction form
    204,072.59/306,111.44 = 54,311.95/x
  3. Step 3: Cross multiply
    204,072.59x = 306,111.44 × 54,311.95
  4. Step 4: Simplify right side
    204,072.59x = 16,625,508,952.15
  5. Step 5: Solve for x
    x = 16,625,508,952.15/204,072.59
  6. Step 6: Final answer
    x = 81,468.61

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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.