Home / 190,836.94-263,363.20-105,954

Finding the Fourth Proportional to 190,836.94, 263,363.20 and 105,954

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Solution

The fourth proportional to 190,836.94, 263,363.20 and 105,954 is: 146,221.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,836.94 : 263,363.20 = 105,954 : x
  2. Step 2: Convert to fraction form
    190,836.94/263,363.20 = 105,954/x
  3. Step 3: Cross multiply
    190,836.94x = 263,363.20 × 105,954
  4. Step 4: Simplify right side
    190,836.94x = 27,904,384,492.80
  5. Step 5: Solve for x
    x = 27,904,384,492.80/190,836.94
  6. Step 6: Final answer
    x = 146,221.09

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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.