Home / 166,057.92-229,161.60-90,607.68

Finding the Fourth Proportional to 166,057.92, 229,161.60 and 90,607.68

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Solution

The fourth proportional to 166,057.92, 229,161.60 and 90,607.68 is: 125,039.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,057.92 : 229,161.60 = 90,607.68 : x
  2. Step 2: Convert to fraction form
    166,057.92/229,161.60 = 90,607.68/x
  3. Step 3: Cross multiply
    166,057.92x = 229,161.60 × 90,607.68
  4. Step 4: Simplify right side
    166,057.92x = 20,763,800,921.09
  5. Step 5: Solve for x
    x = 20,763,800,921.09/166,057.92
  6. Step 6: Final answer
    x = 125,039.51

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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.