Home / 195,585.40-269,923.98-123,939.28

Finding the Fourth Proportional to 195,585.40, 269,923.98 and 123,939.28

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Solution

The fourth proportional to 195,585.40, 269,923.98 and 123,939.28 is: 171,046.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,585.40 : 269,923.98 = 123,939.28 : x
  2. Step 2: Convert to fraction form
    195,585.40/269,923.98 = 123,939.28/x
  3. Step 3: Cross multiply
    195,585.40x = 269,923.98 × 123,939.28
  4. Step 4: Simplify right side
    195,585.40x = 33,454,183,735.93
  5. Step 5: Solve for x
    x = 33,454,183,735.93/195,585.40
  6. Step 6: Final answer
    x = 171,046.43

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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.