Home / 190,718.98-263,189.73-105,834.22

Finding the Fourth Proportional to 190,718.98, 263,189.73 and 105,834.22

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Solution

The fourth proportional to 190,718.98, 263,189.73 and 105,834.22 is: 146,049.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,718.98 : 263,189.73 = 105,834.22 : x
  2. Step 2: Convert to fraction form
    190,718.98/263,189.73 = 105,834.22/x
  3. Step 3: Cross multiply
    190,718.98x = 263,189.73 × 105,834.22
  4. Step 4: Simplify right side
    190,718.98x = 27,854,479,786.56
  5. Step 5: Solve for x
    x = 27,854,479,786.56/190,718.98
  6. Step 6: Final answer
    x = 146,049.86

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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.