Home / 219,629.20-329,443.80-144,833.80

Finding the Fourth Proportional to 219,629.20, 329,443.80 and 144,833.80

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Solution

The fourth proportional to 219,629.20, 329,443.80 and 144,833.80 is: 217,250.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,629.20 : 329,443.80 = 144,833.80 : x
  2. Step 2: Convert to fraction form
    219,629.20/329,443.80 = 144,833.80/x
  3. Step 3: Cross multiply
    219,629.20x = 329,443.80 × 144,833.80
  4. Step 4: Simplify right side
    219,629.20x = 47,714,597,440.44
  5. Step 5: Solve for x
    x = 47,714,597,440.44/219,629.20
  6. Step 6: Final answer
    x = 217,250.70

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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.