Home / 156,078.90-234,183.15-99,982.26

Finding the Fourth Proportional to 156,078.90, 234,183.15 and 99,982.26

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Solution

The fourth proportional to 156,078.90, 234,183.15 and 99,982.26 is: 150,014.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,078.90 : 234,183.15 = 99,982.26 : x
  2. Step 2: Convert to fraction form
    156,078.90/234,183.15 = 99,982.26/x
  3. Step 3: Cross multiply
    156,078.90x = 234,183.15 × 99,982.26
  4. Step 4: Simplify right side
    156,078.90x = 23,414,160,590.92
  5. Step 5: Solve for x
    x = 23,414,160,590.92/156,078.90
  6. Step 6: Final answer
    x = 150,014.90

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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.