Home / 166,161.22-229,157.76-101,581.54

Finding the Fourth Proportional to 166,161.22, 229,157.76 and 101,581.54

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Solution

The fourth proportional to 166,161.22, 229,157.76 and 101,581.54 is: 140,094.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,161.22 : 229,157.76 = 101,581.54 : x
  2. Step 2: Convert to fraction form
    166,161.22/229,157.76 = 101,581.54/x
  3. Step 3: Cross multiply
    166,161.22x = 229,157.76 × 101,581.54
  4. Step 4: Simplify right side
    166,161.22x = 23,278,198,163.75
  5. Step 5: Solve for x
    x = 23,278,198,163.75/166,161.22
  6. Step 6: Final answer
    x = 140,094.05

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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.