Home / 203,664.42-281,044.20-123,044.31

Finding the Fourth Proportional to 203,664.42, 281,044.20 and 123,044.31

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Solution

The fourth proportional to 203,664.42, 281,044.20 and 123,044.31 is: 169,793.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,664.42 : 281,044.20 = 123,044.31 : x
  2. Step 2: Convert to fraction form
    203,664.42/281,044.20 = 123,044.31/x
  3. Step 3: Cross multiply
    203,664.42x = 281,044.20 × 123,044.31
  4. Step 4: Simplify right side
    203,664.42x = 34,580,889,668.50
  5. Step 5: Solve for x
    x = 34,580,889,668.50/203,664.42
  6. Step 6: Final answer
    x = 169,793.48

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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.