Home / 136,217.66-204,348.36-51,974.42

Finding the Fourth Proportional to 136,217.66, 204,348.36 and 51,974.42

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Solution

The fourth proportional to 136,217.66, 204,348.36 and 51,974.42 is: 77,969.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,217.66 : 204,348.36 = 51,974.42 : x
  2. Step 2: Convert to fraction form
    136,217.66/204,348.36 = 51,974.42/x
  3. Step 3: Cross multiply
    136,217.66x = 204,348.36 × 51,974.42
  4. Step 4: Simplify right side
    136,217.66x = 10,620,887,488.95
  5. Step 5: Solve for x
    x = 10,620,887,488.95/136,217.66
  6. Step 6: Final answer
    x = 77,969.97

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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.