Home / 179,930.45-269,933.73-67,611.64

Finding the Fourth Proportional to 179,930.45, 269,933.73 and 67,611.64

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Solution

The fourth proportional to 179,930.45, 269,933.73 and 67,611.64 is: 101,431.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,930.45 : 269,933.73 = 67,611.64 : x
  2. Step 2: Convert to fraction form
    179,930.45/269,933.73 = 67,611.64/x
  3. Step 3: Cross multiply
    179,930.45x = 269,933.73 × 67,611.64
  4. Step 4: Simplify right side
    179,930.45x = 18,250,661,501.78
  5. Step 5: Solve for x
    x = 18,250,661,501.78/179,930.45
  6. Step 6: Final answer
    x = 101,431.76

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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.