Home / 319,551.45-441,140.79-198,731.66

Finding the Fourth Proportional to 319,551.45, 441,140.79 and 198,731.66

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Solution

The fourth proportional to 319,551.45, 441,140.79 and 198,731.66 is: 274,349.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,551.45 : 441,140.79 = 198,731.66 : x
  2. Step 2: Convert to fraction form
    319,551.45/441,140.79 = 198,731.66/x
  3. Step 3: Cross multiply
    319,551.45x = 441,140.79 × 198,731.66
  4. Step 4: Simplify right side
    319,551.45x = 87,668,640,029.95
  5. Step 5: Solve for x
    x = 87,668,640,029.95/319,551.45
  6. Step 6: Final answer
    x = 274,349.06

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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.