Home / 219,342.33-329,013.50-79,100.96

Finding the Fourth Proportional to 219,342.33, 329,013.50 and 79,100.96

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Solution

The fourth proportional to 219,342.33, 329,013.50 and 79,100.96 is: 118,651.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,342.33 : 329,013.50 = 79,100.96 : x
  2. Step 2: Convert to fraction form
    219,342.33/329,013.50 = 79,100.96/x
  3. Step 3: Cross multiply
    219,342.33x = 329,013.50 × 79,100.96
  4. Step 4: Simplify right side
    219,342.33x = 26,025,281,662.39
  5. Step 5: Solve for x
    x = 26,025,281,662.39/219,342.33
  6. Step 6: Final answer
    x = 118,651.43

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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.