Home / 319,553.20-441,143.22-198,733.41

Finding the Fourth Proportional to 319,553.20, 441,143.22 and 198,733.41

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Solution

The fourth proportional to 319,553.20, 441,143.22 and 198,733.41 is: 274,351.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,553.20 : 441,143.22 = 198,733.41 : x
  2. Step 2: Convert to fraction form
    319,553.20/441,143.22 = 198,733.41/x
  3. Step 3: Cross multiply
    319,553.20x = 441,143.22 × 198,733.41
  4. Step 4: Simplify right side
    319,553.20x = 87,669,893,209.60
  5. Step 5: Solve for x
    x = 87,669,893,209.60/319,553.20
  6. Step 6: Final answer
    x = 274,351.48

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1.5x scale

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.