Home / 105,934.70-146,185.97-58,185.20

Finding the Fourth Proportional to 105,934.70, 146,185.97 and 58,185.20

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Solution

The fourth proportional to 105,934.70, 146,185.97 and 58,185.20 is: 80,293.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,934.70 : 146,185.97 = 58,185.20 : x
  2. Step 2: Convert to fraction form
    105,934.70/146,185.97 = 58,185.20/x
  3. Step 3: Cross multiply
    105,934.70x = 146,185.97 × 58,185.20
  4. Step 4: Simplify right side
    105,934.70x = 8,505,859,976.18
  5. Step 5: Solve for x
    x = 8,505,859,976.18/105,934.70
  6. Step 6: Final answer
    x = 80,293.42

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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.