Home / 248,942.31-343,481.34-141,503.90

Finding the Fourth Proportional to 248,942.31, 343,481.34 and 141,503.90

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Solution

The fourth proportional to 248,942.31, 343,481.34 and 141,503.90 is: 195,241.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,942.31 : 343,481.34 = 141,503.90 : x
  2. Step 2: Convert to fraction form
    248,942.31/343,481.34 = 141,503.90/x
  3. Step 3: Cross multiply
    248,942.31x = 343,481.34 × 141,503.90
  4. Step 4: Simplify right side
    248,942.31x = 48,603,947,469.82
  5. Step 5: Solve for x
    x = 48,603,947,469.82/248,942.31
  6. Step 6: Final answer
    x = 195,241.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.