Home / 105,922.12-146,175.18-58,179.94

Finding the Fourth Proportional to 105,922.12, 146,175.18 and 58,179.94

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Solution

The fourth proportional to 105,922.12, 146,175.18 and 58,179.94 is: 80,289.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,922.12 : 146,175.18 = 58,179.94 : x
  2. Step 2: Convert to fraction form
    105,922.12/146,175.18 = 58,179.94/x
  3. Step 3: Cross multiply
    105,922.12x = 146,175.18 × 58,179.94
  4. Step 4: Simplify right side
    105,922.12x = 8,504,463,201.89
  5. Step 5: Solve for x
    x = 8,504,463,201.89/105,922.12
  6. Step 6: Final answer
    x = 80,289.78

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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.