Home / 319,849.75-441,398.12-206,869.33

Finding the Fourth Proportional to 319,849.75, 441,398.12 and 206,869.33

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Solution

The fourth proportional to 319,849.75, 441,398.12 and 206,869.33 is: 285,483.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,849.75 : 441,398.12 = 206,869.33 : x
  2. Step 2: Convert to fraction form
    319,849.75/441,398.12 = 206,869.33/x
  3. Step 3: Cross multiply
    319,849.75x = 441,398.12 × 206,869.33
  4. Step 4: Simplify right side
    319,849.75x = 91,311,733,347.66
  5. Step 5: Solve for x
    x = 91,311,733,347.66/319,849.75
  6. Step 6: Final answer
    x = 285,483.21

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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.