Home / 194,743.76-268,749-109,860.56

Finding the Fourth Proportional to 194,743.76, 268,749 and 109,860.56

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Solution

The fourth proportional to 194,743.76, 268,749 and 109,860.56 is: 151,609.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,743.76 : 268,749 = 109,860.56 : x
  2. Step 2: Convert to fraction form
    194,743.76/268,749 = 109,860.56/x
  3. Step 3: Cross multiply
    194,743.76x = 268,749 × 109,860.56
  4. Step 4: Simplify right side
    194,743.76x = 29,524,915,639.44
  5. Step 5: Solve for x
    x = 29,524,915,639.44/194,743.76
  6. Step 6: Final answer
    x = 151,609.05

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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.