Home / 168,093.52-231,966-91,613.28

Finding the Fourth Proportional to 168,093.52, 231,966 and 91,613.28

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Solution

The fourth proportional to 168,093.52, 231,966 and 91,613.28 is: 126,424.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,093.52 : 231,966 = 91,613.28 : x
  2. Step 2: Convert to fraction form
    168,093.52/231,966 = 91,613.28/x
  3. Step 3: Cross multiply
    168,093.52x = 231,966 × 91,613.28
  4. Step 4: Simplify right side
    168,093.52x = 21,251,166,108.48
  5. Step 5: Solve for x
    x = 21,251,166,108.48/168,093.52
  6. Step 6: Final answer
    x = 126,424.66

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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.