Home / 195,906.20-293,859.30-136,923.80

Finding the Fourth Proportional to 195,906.20, 293,859.30 and 136,923.80

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Solution

The fourth proportional to 195,906.20, 293,859.30 and 136,923.80 is: 205,385.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,906.20 : 293,859.30 = 136,923.80 : x
  2. Step 2: Convert to fraction form
    195,906.20/293,859.30 = 136,923.80/x
  3. Step 3: Cross multiply
    195,906.20x = 293,859.30 × 136,923.80
  4. Step 4: Simplify right side
    195,906.20x = 40,236,332,021.34
  5. Step 5: Solve for x
    x = 40,236,332,021.34/195,906.20
  6. Step 6: Final answer
    x = 205,385.70

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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.