Home / 219,884.20-329,826.30-109,061.80

Finding the Fourth Proportional to 219,884.20, 329,826.30 and 109,061.80

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Solution

The fourth proportional to 219,884.20, 329,826.30 and 109,061.80 is: 163,592.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,884.20 : 329,826.30 = 109,061.80 : x
  2. Step 2: Convert to fraction form
    219,884.20/329,826.30 = 109,061.80/x
  3. Step 3: Cross multiply
    219,884.20x = 329,826.30 × 109,061.80
  4. Step 4: Simplify right side
    219,884.20x = 35,971,449,965.34
  5. Step 5: Solve for x
    x = 35,971,449,965.34/219,884.20
  6. Step 6: Final answer
    x = 163,592.70

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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.