Home / 166,769.45-230,140.22-90,286.58

Finding the Fourth Proportional to 166,769.45, 230,140.22 and 90,286.58

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Solution

The fourth proportional to 166,769.45, 230,140.22 and 90,286.58 is: 124,594.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,769.45 : 230,140.22 = 90,286.58 : x
  2. Step 2: Convert to fraction form
    166,769.45/230,140.22 = 90,286.58/x
  3. Step 3: Cross multiply
    166,769.45x = 230,140.22 × 90,286.58
  4. Step 4: Simplify right side
    166,769.45x = 20,778,573,508.17
  5. Step 5: Solve for x
    x = 20,778,573,508.17/166,769.45
  6. Step 6: Final answer
    x = 124,594.60

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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.