Home / 203,433.52-305,115.44-53,675.36

Finding the Fourth Proportional to 203,433.52, 305,115.44 and 53,675.36

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Solution

The fourth proportional to 203,433.52, 305,115.44 and 53,675.36 is: 80,503.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,433.52 : 305,115.44 = 53,675.36 : x
  2. Step 2: Convert to fraction form
    203,433.52/305,115.44 = 53,675.36/x
  3. Step 3: Cross multiply
    203,433.52x = 305,115.44 × 53,675.36
  4. Step 4: Simplify right side
    203,433.52x = 16,377,181,083.56
  5. Step 5: Solve for x
    x = 16,377,181,083.56/203,433.52
  6. Step 6: Final answer
    x = 80,503.85

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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.