Home / 166,769.32-230,140.05-90,286.46

Finding the Fourth Proportional to 166,769.32, 230,140.05 and 90,286.46

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Solution

The fourth proportional to 166,769.32, 230,140.05 and 90,286.46 is: 124,594.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,769.32 : 230,140.05 = 90,286.46 : x
  2. Step 2: Convert to fraction form
    166,769.32/230,140.05 = 90,286.46/x
  3. Step 3: Cross multiply
    166,769.32x = 230,140.05 × 90,286.46
  4. Step 4: Simplify right side
    166,769.32x = 20,778,530,418.72
  5. Step 5: Solve for x
    x = 20,778,530,418.72/166,769.32
  6. Step 6: Final answer
    x = 124,594.44

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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.