Home / 223,986.67-335,190.40-139,786.26

Finding the Fourth Proportional to 223,986.67, 335,190.40 and 139,786.26

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Solution

The fourth proportional to 223,986.67, 335,190.40 and 139,786.26 is: 209,186.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,986.67 : 335,190.40 = 139,786.26 : x
  2. Step 2: Convert to fraction form
    223,986.67/335,190.40 = 139,786.26/x
  3. Step 3: Cross multiply
    223,986.67x = 335,190.40 × 139,786.26
  4. Step 4: Simplify right side
    223,986.67x = 46,855,011,583.77
  5. Step 5: Solve for x
    x = 46,855,011,583.77/223,986.67
  6. Step 6: Final answer
    x = 209,186.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.