Home / 340,974.72-511,519.28-104,261.92

Finding the Fourth Proportional to 340,974.72, 511,519.28 and 104,261.92

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Solution

The fourth proportional to 340,974.72, 511,519.28 and 104,261.92 is: 156,410.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,974.72 : 511,519.28 = 104,261.92 : x
  2. Step 2: Convert to fraction form
    340,974.72/511,519.28 = 104,261.92/x
  3. Step 3: Cross multiply
    340,974.72x = 511,519.28 × 104,261.92
  4. Step 4: Simplify right side
    340,974.72x = 53,331,982,249.82
  5. Step 5: Solve for x
    x = 53,331,982,249.82/340,974.72
  6. Step 6: Final answer
    x = 156,410.37

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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.