Home / 263,147.20-363,146.96-148,431.31

Finding the Fourth Proportional to 263,147.20, 363,146.96 and 148,431.31

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Solution

The fourth proportional to 263,147.20, 363,146.96 and 148,431.31 is: 204,837.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,147.20 : 363,146.96 = 148,431.31 : x
  2. Step 2: Convert to fraction form
    263,147.20/363,146.96 = 148,431.31/x
  3. Step 3: Cross multiply
    263,147.20x = 363,146.96 × 148,431.31
  4. Step 4: Simplify right side
    263,147.20x = 53,902,378,995.32
  5. Step 5: Solve for x
    x = 53,902,378,995.32/263,147.20
  6. Step 6: Final answer
    x = 204,837.36

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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.