Home / 166,879.30-250,320.54-40,520.68

Finding the Fourth Proportional to 166,879.30, 250,320.54 and 40,520.68

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Solution

The fourth proportional to 166,879.30, 250,320.54 and 40,520.68 is: 60,781.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,879.30 : 250,320.54 = 40,520.68 : x
  2. Step 2: Convert to fraction form
    166,879.30/250,320.54 = 40,520.68/x
  3. Step 3: Cross multiply
    166,879.30x = 250,320.54 × 40,520.68
  4. Step 4: Simplify right side
    166,879.30x = 10,143,158,498.77
  5. Step 5: Solve for x
    x = 10,143,158,498.77/166,879.30
  6. Step 6: Final answer
    x = 60,781.41

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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.