Home / 215,067.45-322,545.82-88,743.60

Finding the Fourth Proportional to 215,067.45, 322,545.82 and 88,743.60

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Solution

The fourth proportional to 215,067.45, 322,545.82 and 88,743.60 is: 133,092.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,067.45 : 322,545.82 = 88,743.60 : x
  2. Step 2: Convert to fraction form
    215,067.45/322,545.82 = 88,743.60/x
  3. Step 3: Cross multiply
    215,067.45x = 322,545.82 × 88,743.60
  4. Step 4: Simplify right side
    215,067.45x = 28,623,877,425.88
  5. Step 5: Solve for x
    x = 28,623,877,425.88/215,067.45
  6. Step 6: Final answer
    x = 133,092.56

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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.