Home / 219,418.13-329,103.60-148,794.09

Finding the Fourth Proportional to 219,418.13, 329,103.60 and 148,794.09

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Solution

The fourth proportional to 219,418.13, 329,103.60 and 148,794.09 is: 223,175.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,418.13 : 329,103.60 = 148,794.09 : x
  2. Step 2: Convert to fraction form
    219,418.13/329,103.60 = 148,794.09/x
  3. Step 3: Cross multiply
    219,418.13x = 329,103.60 × 148,794.09
  4. Step 4: Simplify right side
    219,418.13x = 48,968,670,677.72
  5. Step 5: Solve for x
    x = 48,968,670,677.72/219,418.13
  6. Step 6: Final answer
    x = 223,175.13

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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.