Home / 219,965.20-329,915.40-62,209.60

Finding the Fourth Proportional to 219,965.20, 329,915.40 and 62,209.60

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Solution

The fourth proportional to 219,965.20, 329,915.40 and 62,209.60 is: 93,305.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,965.20 : 329,915.40 = 62,209.60 : x
  2. Step 2: Convert to fraction form
    219,965.20/329,915.40 = 62,209.60/x
  3. Step 3: Cross multiply
    219,965.20x = 329,915.40 × 62,209.60
  4. Step 4: Simplify right side
    219,965.20x = 20,523,905,067.84
  5. Step 5: Solve for x
    x = 20,523,905,067.84/219,965.20
  6. Step 6: Final answer
    x = 93,305.24

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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.