Home / 179,145.36-268,520.40-73,906.56

Finding the Fourth Proportional to 179,145.36, 268,520.40 and 73,906.56

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Solution

The fourth proportional to 179,145.36, 268,520.40 and 73,906.56 is: 110,778.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,145.36 : 268,520.40 = 73,906.56 : x
  2. Step 2: Convert to fraction form
    179,145.36/268,520.40 = 73,906.56/x
  3. Step 3: Cross multiply
    179,145.36x = 268,520.40 × 73,906.56
  4. Step 4: Simplify right side
    179,145.36x = 19,845,419,053.82
  5. Step 5: Solve for x
    x = 19,845,419,053.82/179,145.36
  6. Step 6: Final answer
    x = 110,778.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.