Home / 319,582.83-441,183.98-198,763.07

Finding the Fourth Proportional to 319,582.83, 441,183.98 and 198,763.07

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Solution

The fourth proportional to 319,582.83, 441,183.98 and 198,763.07 is: 274,392.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,582.83 : 441,183.98 = 198,763.07 : x
  2. Step 2: Convert to fraction form
    319,582.83/441,183.98 = 198,763.07/x
  3. Step 3: Cross multiply
    319,582.83x = 441,183.98 × 198,763.07
  4. Step 4: Simplify right side
    319,582.83x = 87,691,079,099.88
  5. Step 5: Solve for x
    x = 87,691,079,099.88/319,582.83
  6. Step 6: Final answer
    x = 274,392.34

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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.