Home / 204,868.70-282,618.30-136,902.36

Finding the Fourth Proportional to 204,868.70, 282,618.30 and 136,902.36

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Solution

The fourth proportional to 204,868.70, 282,618.30 and 136,902.36 is: 188,858.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,868.70 : 282,618.30 = 136,902.36 : x
  2. Step 2: Convert to fraction form
    204,868.70/282,618.30 = 136,902.36/x
  3. Step 3: Cross multiply
    204,868.70x = 282,618.30 × 136,902.36
  4. Step 4: Simplify right side
    204,868.70x = 38,691,112,249.19
  5. Step 5: Solve for x
    x = 38,691,112,249.19/204,868.70
  6. Step 6: Final answer
    x = 188,858.09

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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.