Home / 194,358.78-268,213.92-109,503.18

Finding the Fourth Proportional to 194,358.78, 268,213.92 and 109,503.18

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Solution

The fourth proportional to 194,358.78, 268,213.92 and 109,503.18 is: 151,113.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,358.78 : 268,213.92 = 109,503.18 : x
  2. Step 2: Convert to fraction form
    194,358.78/268,213.92 = 109,503.18/x
  3. Step 3: Cross multiply
    194,358.78x = 268,213.92 × 109,503.18
  4. Step 4: Simplify right side
    194,358.78x = 29,370,277,160.27
  5. Step 5: Solve for x
    x = 29,370,277,160.27/194,358.78
  6. Step 6: Final answer
    x = 151,113.71

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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.