Home / 168,738.82-232,863.26-100,743.12

Finding the Fourth Proportional to 168,738.82, 232,863.26 and 100,743.12

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Solution

The fourth proportional to 168,738.82, 232,863.26 and 100,743.12 is: 139,027.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,738.82 : 232,863.26 = 100,743.12 : x
  2. Step 2: Convert to fraction form
    168,738.82/232,863.26 = 100,743.12/x
  3. Step 3: Cross multiply
    168,738.82x = 232,863.26 × 100,743.12
  4. Step 4: Simplify right side
    168,738.82x = 23,459,370,842.06
  5. Step 5: Solve for x
    x = 23,459,370,842.06/168,738.82
  6. Step 6: Final answer
    x = 139,027.71

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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.