Home / 190,640.25-263,083.55-105,757.92

Finding the Fourth Proportional to 190,640.25, 263,083.55 and 105,757.92

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Solution

The fourth proportional to 190,640.25, 263,083.55 and 105,757.92 is: 145,945.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,640.25 : 263,083.55 = 105,757.92 : x
  2. Step 2: Convert to fraction form
    190,640.25/263,083.55 = 105,757.92/x
  3. Step 3: Cross multiply
    190,640.25x = 263,083.55 × 105,757.92
  4. Step 4: Simplify right side
    190,640.25x = 27,823,168,505.43
  5. Step 5: Solve for x
    x = 27,823,168,505.43/190,640.25
  6. Step 6: Final answer
    x = 145,945.93

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.