Home / 277,986.44-416,979.66-67,622.56

Finding the Fourth Proportional to 277,986.44, 416,979.66 and 67,622.56

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Solution

The fourth proportional to 277,986.44, 416,979.66 and 67,622.56 is: 101,433.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,986.44 : 416,979.66 = 67,622.56 : x
  2. Step 2: Convert to fraction form
    277,986.44/416,979.66 = 67,622.56/x
  3. Step 3: Cross multiply
    277,986.44x = 416,979.66 × 67,622.56
  4. Step 4: Simplify right side
    277,986.44x = 28,197,231,288.27
  5. Step 5: Solve for x
    x = 28,197,231,288.27/277,986.44
  6. Step 6: Final answer
    x = 101,433.84

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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.