Home / 113,198.38-169,787.78-38,316.92

Finding the Fourth Proportional to 113,198.38, 169,787.78 and 38,316.92

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Solution

The fourth proportional to 113,198.38, 169,787.78 and 38,316.92 is: 57,472.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,198.38 : 169,787.78 = 38,316.92 : x
  2. Step 2: Convert to fraction form
    113,198.38/169,787.78 = 38,316.92/x
  3. Step 3: Cross multiply
    113,198.38x = 169,787.78 × 38,316.92
  4. Step 4: Simplify right side
    113,198.38x = 6,505,744,783.24
  5. Step 5: Solve for x
    x = 6,505,744,783.24/113,198.38
  6. Step 6: Final answer
    x = 57,472.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.