Home / 168,042.89-231,984.92-113,881.19

Finding the Fourth Proportional to 168,042.89, 231,984.92 and 113,881.19

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Solution

The fourth proportional to 168,042.89, 231,984.92 and 113,881.19 is: 157,214.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,042.89 : 231,984.92 = 113,881.19 : x
  2. Step 2: Convert to fraction form
    168,042.89/231,984.92 = 113,881.19/x
  3. Step 3: Cross multiply
    168,042.89x = 231,984.92 × 113,881.19
  4. Step 4: Simplify right side
    168,042.89x = 26,418,717,876.43
  5. Step 5: Solve for x
    x = 26,418,717,876.43/168,042.89
  6. Step 6: Final answer
    x = 157,214.13

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1.5x scale

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.