Home / 319,589.22-479,046.82-106,300.18

Finding the Fourth Proportional to 319,589.22, 479,046.82 and 106,300.18

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Solution

The fourth proportional to 319,589.22, 479,046.82 and 106,300.18 is: 159,338.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,589.22 : 479,046.82 = 106,300.18 : x
  2. Step 2: Convert to fraction form
    319,589.22/479,046.82 = 106,300.18/x
  3. Step 3: Cross multiply
    319,589.22x = 479,046.82 × 106,300.18
  4. Step 4: Simplify right side
    319,589.22x = 50,922,763,194.43
  5. Step 5: Solve for x
    x = 50,922,763,194.43/319,589.22
  6. Step 6: Final answer
    x = 159,338.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.