Home / 168,917.32-232,894.20-108,381.16

Finding the Fourth Proportional to 168,917.32, 232,894.20 and 108,381.16

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Solution

The fourth proportional to 168,917.32, 232,894.20 and 108,381.16 is: 149,430.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,917.32 : 232,894.20 = 108,381.16 : x
  2. Step 2: Convert to fraction form
    168,917.32/232,894.20 = 108,381.16/x
  3. Step 3: Cross multiply
    168,917.32x = 232,894.20 × 108,381.16
  4. Step 4: Simplify right side
    168,917.32x = 25,241,343,553.27
  5. Step 5: Solve for x
    x = 25,241,343,553.27/168,917.32
  6. Step 6: Final answer
    x = 149,430.17

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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.