Home / 293,782.79-405,544.25-198,418.65

Finding the Fourth Proportional to 293,782.79, 405,544.25 and 198,418.65

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Solution

The fourth proportional to 293,782.79, 405,544.25 and 198,418.65 is: 273,901.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,782.79 : 405,544.25 = 198,418.65 : x
  2. Step 2: Convert to fraction form
    293,782.79/405,544.25 = 198,418.65/x
  3. Step 3: Cross multiply
    293,782.79x = 405,544.25 × 198,418.65
  4. Step 4: Simplify right side
    293,782.79x = 80,467,541,608.17
  5. Step 5: Solve for x
    x = 80,467,541,608.17/293,782.79
  6. Step 6: Final answer
    x = 273,901.49

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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.