Home / 190,634.57-263,107.24-105,778.97

Finding the Fourth Proportional to 190,634.57, 263,107.24 and 105,778.97

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Solution

The fourth proportional to 190,634.57, 263,107.24 and 105,778.97 is: 145,992.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,634.57 : 263,107.24 = 105,778.97 : x
  2. Step 2: Convert to fraction form
    190,634.57/263,107.24 = 105,778.97/x
  3. Step 3: Cross multiply
    190,634.57x = 263,107.24 × 105,778.97
  4. Step 4: Simplify right side
    190,634.57x = 27,831,211,266.76
  5. Step 5: Solve for x
    x = 27,831,211,266.76/190,634.57
  6. Step 6: Final answer
    x = 145,992.47

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1.5x scale

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.