Home / 219,634.20-329,505.30-61,860.60

Finding the Fourth Proportional to 219,634.20, 329,505.30 and 61,860.60

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Solution

The fourth proportional to 219,634.20, 329,505.30 and 61,860.60 is: 92,806.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,634.20 : 329,505.30 = 61,860.60 : x
  2. Step 2: Convert to fraction form
    219,634.20/329,505.30 = 61,860.60/x
  3. Step 3: Cross multiply
    219,634.20x = 329,505.30 × 61,860.60
  4. Step 4: Simplify right side
    219,634.20x = 20,383,395,561.18
  5. Step 5: Solve for x
    x = 20,383,395,561.18/219,634.20
  6. Step 6: Final answer
    x = 92,806.11

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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.