Home / 246,090.62-339,606.06-138,662.30

Finding the Fourth Proportional to 246,090.62, 339,606.06 and 138,662.30

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Solution

The fourth proportional to 246,090.62, 339,606.06 and 138,662.30 is: 191,354.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,090.62 : 339,606.06 = 138,662.30 : x
  2. Step 2: Convert to fraction form
    246,090.62/339,606.06 = 138,662.30/x
  3. Step 3: Cross multiply
    246,090.62x = 339,606.06 × 138,662.30
  4. Step 4: Simplify right side
    246,090.62x = 47,090,557,373.54
  5. Step 5: Solve for x
    x = 47,090,557,373.54/246,090.62
  6. Step 6: Final answer
    x = 191,354.54

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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.