Home / 338,922.12-467,712.96-188,019.12

Finding the Fourth Proportional to 338,922.12, 467,712.96 and 188,019.12

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Solution

The fourth proportional to 338,922.12, 467,712.96 and 188,019.12 is: 259,466.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,922.12 : 467,712.96 = 188,019.12 : x
  2. Step 2: Convert to fraction form
    338,922.12/467,712.96 = 188,019.12/x
  3. Step 3: Cross multiply
    338,922.12x = 467,712.96 × 188,019.12
  4. Step 4: Simplify right side
    338,922.12x = 87,938,979,151.80
  5. Step 5: Solve for x
    x = 87,938,979,151.80/338,922.12
  6. Step 6: Final answer
    x = 259,466.63

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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.