Home / 231,972.30-348,067.80-172,923.30

Finding the Fourth Proportional to 231,972.30, 348,067.80 and 172,923.30

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Solution

The fourth proportional to 231,972.30, 348,067.80 and 172,923.30 is: 259,466.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,972.30 : 348,067.80 = 172,923.30 : x
  2. Step 2: Convert to fraction form
    231,972.30/348,067.80 = 172,923.30/x
  3. Step 3: Cross multiply
    231,972.30x = 348,067.80 × 172,923.30
  4. Step 4: Simplify right side
    231,972.30x = 60,189,032,599.74
  5. Step 5: Solve for x
    x = 60,189,032,599.74/231,972.30
  6. Step 6: Final answer
    x = 259,466.46

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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.