Home / 105,930.75-146,184.57-58,185.03

Finding the Fourth Proportional to 105,930.75, 146,184.57 and 58,185.03

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Solution

The fourth proportional to 105,930.75, 146,184.57 and 58,185.03 is: 80,295.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,930.75 : 146,184.57 = 58,185.03 : x
  2. Step 2: Convert to fraction form
    105,930.75/146,184.57 = 58,185.03/x
  3. Step 3: Cross multiply
    105,930.75x = 146,184.57 × 58,185.03
  4. Step 4: Simplify right side
    105,930.75x = 8,505,753,590.99
  5. Step 5: Solve for x
    x = 8,505,753,590.99/105,930.75
  6. Step 6: Final answer
    x = 80,295.42

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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.