Home / 146,496.20-219,744.30-136,665.80

Finding the Fourth Proportional to 146,496.20, 219,744.30 and 136,665.80

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Solution

The fourth proportional to 146,496.20, 219,744.30 and 136,665.80 is: 204,998.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,496.20 : 219,744.30 = 136,665.80 : x
  2. Step 2: Convert to fraction form
    146,496.20/219,744.30 = 136,665.80/x
  3. Step 3: Cross multiply
    146,496.20x = 219,744.30 × 136,665.80
  4. Step 4: Simplify right side
    146,496.20x = 30,031,530,554.94
  5. Step 5: Solve for x
    x = 30,031,530,554.94/146,496.20
  6. Step 6: Final answer
    x = 204,998.70

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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.