Home / 190,965.50-263,422.75-119,220.97

Finding the Fourth Proportional to 190,965.50, 263,422.75 and 119,220.97

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Solution

The fourth proportional to 190,965.50, 263,422.75 and 119,220.97 is: 164,456.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,965.50 : 263,422.75 = 119,220.97 : x
  2. Step 2: Convert to fraction form
    190,965.50/263,422.75 = 119,220.97/x
  3. Step 3: Cross multiply
    190,965.50x = 263,422.75 × 119,220.97
  4. Step 4: Simplify right side
    190,965.50x = 31,405,515,535.92
  5. Step 5: Solve for x
    x = 31,405,515,535.92/190,965.50
  6. Step 6: Final answer
    x = 164,456.48

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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.