Home / 203,508.11-305,306.25-61,341.50

Finding the Fourth Proportional to 203,508.11, 305,306.25 and 61,341.50

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Solution

The fourth proportional to 203,508.11, 305,306.25 and 61,341.50 is: 92,025.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,508.11 : 305,306.25 = 61,341.50 : x
  2. Step 2: Convert to fraction form
    203,508.11/305,306.25 = 61,341.50/x
  3. Step 3: Cross multiply
    203,508.11x = 305,306.25 × 61,341.50
  4. Step 4: Simplify right side
    203,508.11x = 18,727,941,961.20
  5. Step 5: Solve for x
    x = 18,727,941,961.20/203,508.11
  6. Step 6: Final answer
    x = 92,025.53

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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.