Home / 194,231.71-268,076.99-109,348.78

Finding the Fourth Proportional to 194,231.71, 268,076.99 and 109,348.78

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Solution

The fourth proportional to 194,231.71, 268,076.99 and 109,348.78 is: 150,922.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,231.71 : 268,076.99 = 109,348.78 : x
  2. Step 2: Convert to fraction form
    194,231.71/268,076.99 = 109,348.78/x
  3. Step 3: Cross multiply
    194,231.71x = 268,076.99 × 109,348.78
  4. Step 4: Simplify right side
    194,231.71x = 29,313,891,802.57
  5. Step 5: Solve for x
    x = 29,313,891,802.57/194,231.71
  6. Step 6: Final answer
    x = 150,922.28

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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.