Home / 204,559.70-306,620.85-92,220.80

Finding the Fourth Proportional to 204,559.70, 306,620.85 and 92,220.80

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Solution

The fourth proportional to 204,559.70, 306,620.85 and 92,220.80 is: 138,232.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,559.70 : 306,620.85 = 92,220.80 : x
  2. Step 2: Convert to fraction form
    204,559.70/306,620.85 = 92,220.80/x
  3. Step 3: Cross multiply
    204,559.70x = 306,620.85 × 92,220.80
  4. Step 4: Simplify right side
    204,559.70x = 28,276,820,083.68
  5. Step 5: Solve for x
    x = 28,276,820,083.68/204,559.70
  6. Step 6: Final answer
    x = 138,232.60

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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.