Home / 319,838.40-441,191.96-206,661.15

Finding the Fourth Proportional to 319,838.40, 441,191.96 and 206,661.15

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Solution

The fourth proportional to 319,838.40, 441,191.96 and 206,661.15 is: 285,072.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,838.40 : 441,191.96 = 206,661.15 : x
  2. Step 2: Convert to fraction form
    319,838.40/441,191.96 = 206,661.15/x
  3. Step 3: Cross multiply
    319,838.40x = 441,191.96 × 206,661.15
  4. Step 4: Simplify right side
    319,838.40x = 91,177,239,443.99
  5. Step 5: Solve for x
    x = 91,177,239,443.99/319,838.40
  6. Step 6: Final answer
    x = 285,072.83

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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.