Home / 168,091.14-231,965.10-92,639.64

Finding the Fourth Proportional to 168,091.14, 231,965.10 and 92,639.64

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Solution

The fourth proportional to 168,091.14, 231,965.10 and 92,639.64 is: 127,842.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,091.14 : 231,965.10 = 92,639.64 : x
  2. Step 2: Convert to fraction form
    168,091.14/231,965.10 = 92,639.64/x
  3. Step 3: Cross multiply
    168,091.14x = 231,965.10 × 92,639.64
  4. Step 4: Simplify right side
    168,091.14x = 21,489,163,356.56
  5. Step 5: Solve for x
    x = 21,489,163,356.56/168,091.14
  6. Step 6: Final answer
    x = 127,842.33

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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.