Home / 195,279.36-269,472.79-109,223.43

Finding the Fourth Proportional to 195,279.36, 269,472.79 and 109,223.43

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Solution

The fourth proportional to 195,279.36, 269,472.79 and 109,223.43 is: 150,721.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,279.36 : 269,472.79 = 109,223.43 : x
  2. Step 2: Convert to fraction form
    195,279.36/269,472.79 = 109,223.43/x
  3. Step 3: Cross multiply
    195,279.36x = 269,472.79 × 109,223.43
  4. Step 4: Simplify right side
    195,279.36x = 29,432,741,541.48
  5. Step 5: Solve for x
    x = 29,432,741,541.48/195,279.36
  6. Step 6: Final answer
    x = 150,721.21

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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.