Home / 293,786.74-405,549.74-198,422.61

Finding the Fourth Proportional to 293,786.74, 405,549.74 and 198,422.61

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Solution

The fourth proportional to 293,786.74, 405,549.74 and 198,422.61 is: 273,906.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,786.74 : 405,549.74 = 198,422.61 : x
  2. Step 2: Convert to fraction form
    293,786.74/405,549.74 = 198,422.61/x
  3. Step 3: Cross multiply
    293,786.74x = 405,549.74 × 198,422.61
  4. Step 4: Simplify right side
    293,786.74x = 80,470,237,895.62
  5. Step 5: Solve for x
    x = 80,470,237,895.62/293,786.74
  6. Step 6: Final answer
    x = 273,906.98

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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.