Home / 194,600.76-268,548.56-109,717.20

Finding the Fourth Proportional to 194,600.76, 268,548.56 and 109,717.20

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Solution

The fourth proportional to 194,600.76, 268,548.56 and 109,717.20 is: 151,409.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,600.76 : 268,548.56 = 109,717.20 : x
  2. Step 2: Convert to fraction form
    194,600.76/268,548.56 = 109,717.20/x
  3. Step 3: Cross multiply
    194,600.76x = 268,548.56 × 109,717.20
  4. Step 4: Simplify right side
    194,600.76x = 29,464,396,067.23
  5. Step 5: Solve for x
    x = 29,464,396,067.23/194,600.76
  6. Step 6: Final answer
    x = 151,409.46

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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.