Home / 226,705.33-312,640.97-140,678.27

Finding the Fourth Proportional to 226,705.33, 312,640.97 and 140,678.27

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Solution

The fourth proportional to 226,705.33, 312,640.97 and 140,678.27 is: 194,004.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,705.33 : 312,640.97 = 140,678.27 : x
  2. Step 2: Convert to fraction form
    226,705.33/312,640.97 = 140,678.27/x
  3. Step 3: Cross multiply
    226,705.33x = 312,640.97 × 140,678.27
  4. Step 4: Simplify right side
    226,705.33x = 43,981,789,696.53
  5. Step 5: Solve for x
    x = 43,981,789,696.53/226,705.33
  6. Step 6: Final answer
    x = 194,004.21

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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.