Home / 116,211.30-173,879.55-76,845.30

Finding the Fourth Proportional to 116,211.30, 173,879.55 and 76,845.30

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Solution

The fourth proportional to 116,211.30, 173,879.55 and 76,845.30 is: 114,978.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,211.30 : 173,879.55 = 76,845.30 : x
  2. Step 2: Convert to fraction form
    116,211.30/173,879.55 = 76,845.30/x
  3. Step 3: Cross multiply
    116,211.30x = 173,879.55 × 76,845.30
  4. Step 4: Simplify right side
    116,211.30x = 13,361,826,183.62
  5. Step 5: Solve for x
    x = 13,361,826,183.62/116,211.30
  6. Step 6: Final answer
    x = 114,978.72

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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.