Home / 166,081.68-229,190.58-90,625.32

Finding the Fourth Proportional to 166,081.68, 229,190.58 and 90,625.32

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Solution

The fourth proportional to 166,081.68, 229,190.58 and 90,625.32 is: 125,061.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,081.68 : 229,190.58 = 90,625.32 : x
  2. Step 2: Convert to fraction form
    166,081.68/229,190.58 = 90,625.32/x
  3. Step 3: Cross multiply
    166,081.68x = 229,190.58 × 90,625.32
  4. Step 4: Simplify right side
    166,081.68x = 20,770,469,653.49
  5. Step 5: Solve for x
    x = 20,770,469,653.49/166,081.68
  6. Step 6: Final answer
    x = 125,061.77

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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.