Home / 221,433.10-332,149.65-132,786.70

Finding the Fourth Proportional to 221,433.10, 332,149.65 and 132,786.70

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Solution

The fourth proportional to 221,433.10, 332,149.65 and 132,786.70 is: 199,180.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,433.10 : 332,149.65 = 132,786.70 : x
  2. Step 2: Convert to fraction form
    221,433.10/332,149.65 = 132,786.70/x
  3. Step 3: Cross multiply
    221,433.10x = 332,149.65 × 132,786.70
  4. Step 4: Simplify right side
    221,433.10x = 44,105,055,929.66
  5. Step 5: Solve for x
    x = 44,105,055,929.66/221,433.10
  6. Step 6: Final answer
    x = 199,180.05

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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.