Home / 220,414.50-304,197.66-123,645.06

Finding the Fourth Proportional to 220,414.50, 304,197.66 and 123,645.06

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Solution

The fourth proportional to 220,414.50, 304,197.66 and 123,645.06 is: 170,644.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,414.50 : 304,197.66 = 123,645.06 : x
  2. Step 2: Convert to fraction form
    220,414.50/304,197.66 = 123,645.06/x
  3. Step 3: Cross multiply
    220,414.50x = 304,197.66 × 123,645.06
  4. Step 4: Simplify right side
    220,414.50x = 37,612,537,922.56
  5. Step 5: Solve for x
    x = 37,612,537,922.56/220,414.50
  6. Step 6: Final answer
    x = 170,644.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.