Home / 227,081.36-313,372.56-123,715.04

Finding the Fourth Proportional to 227,081.36, 313,372.56 and 123,715.04

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Solution

The fourth proportional to 227,081.36, 313,372.56 and 123,715.04 is: 170,726.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,081.36 : 313,372.56 = 123,715.04 : x
  2. Step 2: Convert to fraction form
    227,081.36/313,372.56 = 123,715.04/x
  3. Step 3: Cross multiply
    227,081.36x = 313,372.56 × 123,715.04
  4. Step 4: Simplify right side
    227,081.36x = 38,768,899,104.59
  5. Step 5: Solve for x
    x = 38,768,899,104.59/227,081.36
  6. Step 6: Final answer
    x = 170,726.91

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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.