Home / 190,837.38-263,356.17-105,954.66

Finding the Fourth Proportional to 190,837.38, 263,356.17 and 105,954.66

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Solution

The fourth proportional to 190,837.38, 263,356.17 and 105,954.66 is: 146,217.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,837.38 : 263,356.17 = 105,954.66 : x
  2. Step 2: Convert to fraction form
    190,837.38/263,356.17 = 105,954.66/x
  3. Step 3: Cross multiply
    190,837.38x = 263,356.17 × 105,954.66
  4. Step 4: Simplify right side
    190,837.38x = 27,903,813,451.25
  5. Step 5: Solve for x
    x = 27,903,813,451.25/190,837.38
  6. Step 6: Final answer
    x = 146,217.76

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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.