Home / 120,975.24-166,945.68-67,258.56

Finding the Fourth Proportional to 120,975.24, 166,945.68 and 67,258.56

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Solution

The fourth proportional to 120,975.24, 166,945.68 and 67,258.56 is: 92,816.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,975.24 : 166,945.68 = 67,258.56 : x
  2. Step 2: Convert to fraction form
    120,975.24/166,945.68 = 67,258.56/x
  3. Step 3: Cross multiply
    120,975.24x = 166,945.68 × 67,258.56
  4. Step 4: Simplify right side
    120,975.24x = 11,228,526,035.02
  5. Step 5: Solve for x
    x = 11,228,526,035.02/120,975.24
  6. Step 6: Final answer
    x = 92,816.73

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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.