Home / 205,439.45-308,174.63-61,333.87

Finding the Fourth Proportional to 205,439.45, 308,174.63 and 61,333.87

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Solution

The fourth proportional to 205,439.45, 308,174.63 and 61,333.87 is: 92,005.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,439.45 : 308,174.63 = 61,333.87 : x
  2. Step 2: Convert to fraction form
    205,439.45/308,174.63 = 61,333.87/x
  3. Step 3: Cross multiply
    205,439.45x = 308,174.63 × 61,333.87
  4. Step 4: Simplify right side
    205,439.45x = 18,901,542,076.62
  5. Step 5: Solve for x
    x = 18,901,542,076.62/205,439.45
  6. Step 6: Final answer
    x = 92,005.42

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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.