Home / 105,928.44-146,179.20-58,180.68

Finding the Fourth Proportional to 105,928.44, 146,179.20 and 58,180.68

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Solution

The fourth proportional to 105,928.44, 146,179.20 and 58,180.68 is: 80,288.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,928.44 : 146,179.20 = 58,180.68 : x
  2. Step 2: Convert to fraction form
    105,928.44/146,179.20 = 58,180.68/x
  3. Step 3: Cross multiply
    105,928.44x = 146,179.20 × 58,180.68
  4. Step 4: Simplify right side
    105,928.44x = 8,504,805,257.86
  5. Step 5: Solve for x
    x = 8,504,805,257.86/105,928.44
  6. Step 6: Final answer
    x = 80,288.21

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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.