Home / 279,351.44-385,956-194,845.76

Finding the Fourth Proportional to 279,351.44, 385,956 and 194,845.76

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Solution

The fourth proportional to 279,351.44, 385,956 and 194,845.76 is: 269,201.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,351.44 : 385,956 = 194,845.76 : x
  2. Step 2: Convert to fraction form
    279,351.44/385,956 = 194,845.76/x
  3. Step 3: Cross multiply
    279,351.44x = 385,956 × 194,845.76
  4. Step 4: Simplify right side
    279,351.44x = 75,201,890,146.56
  5. Step 5: Solve for x
    x = 75,201,890,146.56/279,351.44
  6. Step 6: Final answer
    x = 269,201.73

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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.