Home / 168,083.43-231,950.86-91,604.49

Finding the Fourth Proportional to 168,083.43, 231,950.86 and 91,604.49

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Solution

The fourth proportional to 168,083.43, 231,950.86 and 91,604.49 is: 126,411.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,083.43 : 231,950.86 = 91,604.49 : x
  2. Step 2: Convert to fraction form
    168,083.43/231,950.86 = 91,604.49/x
  3. Step 3: Cross multiply
    168,083.43x = 231,950.86 × 91,604.49
  4. Step 4: Simplify right side
    168,083.43x = 21,247,739,777.34
  5. Step 5: Solve for x
    x = 21,247,739,777.34/168,083.43
  6. Step 6: Final answer
    x = 126,411.86

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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.