Home / 190,795.88-263,285.12-105,906.26

Finding the Fourth Proportional to 190,795.88, 263,285.12 and 105,906.26

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Solution

The fourth proportional to 190,795.88, 263,285.12 and 105,906.26 is: 146,143.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,795.88 : 263,285.12 = 105,906.26 : x
  2. Step 2: Convert to fraction form
    190,795.88/263,285.12 = 105,906.26/x
  3. Step 3: Cross multiply
    190,795.88x = 263,285.12 × 105,906.26
  4. Step 4: Simplify right side
    190,795.88x = 27,883,542,372.85
  5. Step 5: Solve for x
    x = 27,883,542,372.85/190,795.88
  6. Step 6: Final answer
    x = 146,143.31

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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.