Home / 319,584.89-441,186.82-198,765.12

Finding the Fourth Proportional to 319,584.89, 441,186.82 and 198,765.12

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Solution

The fourth proportional to 319,584.89, 441,186.82 and 198,765.12 is: 274,395.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,584.89 : 441,186.82 = 198,765.12 : x
  2. Step 2: Convert to fraction form
    319,584.89/441,186.82 = 198,765.12/x
  3. Step 3: Cross multiply
    319,584.89x = 441,186.82 × 198,765.12
  4. Step 4: Simplify right side
    319,584.89x = 87,692,552,377.26
  5. Step 5: Solve for x
    x = 87,692,552,377.26/319,584.89
  6. Step 6: Final answer
    x = 274,395.17

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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.