Home / 304,121.25-419,651.62-168,147.09

Finding the Fourth Proportional to 304,121.25, 419,651.62 and 168,147.09

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Solution

The fourth proportional to 304,121.25, 419,651.62 and 168,147.09 is: 232,023.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,121.25 : 419,651.62 = 168,147.09 : x
  2. Step 2: Convert to fraction form
    304,121.25/419,651.62 = 168,147.09/x
  3. Step 3: Cross multiply
    304,121.25x = 419,651.62 × 168,147.09
  4. Step 4: Simplify right side
    304,121.25x = 70,563,198,296.42
  5. Step 5: Solve for x
    x = 70,563,198,296.42/304,121.25
  6. Step 6: Final answer
    x = 232,023.24

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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.