Home / 166,821.54-250,239.80-54,508.62

Finding the Fourth Proportional to 166,821.54, 250,239.80 and 54,508.62

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Solution

The fourth proportional to 166,821.54, 250,239.80 and 54,508.62 is: 81,765.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,821.54 : 250,239.80 = 54,508.62 : x
  2. Step 2: Convert to fraction form
    166,821.54/250,239.80 = 54,508.62/x
  3. Step 3: Cross multiply
    166,821.54x = 250,239.80 × 54,508.62
  4. Step 4: Simplify right side
    166,821.54x = 13,640,226,167.08
  5. Step 5: Solve for x
    x = 13,640,226,167.08/166,821.54
  6. Step 6: Final answer
    x = 81,765.38

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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.