Home / 178,789.30-268,183.67-45,669.59

Finding the Fourth Proportional to 178,789.30, 268,183.67 and 45,669.59

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Solution

The fourth proportional to 178,789.30, 268,183.67 and 45,669.59 is: 68,504.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,789.30 : 268,183.67 = 45,669.59 : x
  2. Step 2: Convert to fraction form
    178,789.30/268,183.67 = 45,669.59/x
  3. Step 3: Cross multiply
    178,789.30x = 268,183.67 × 45,669.59
  4. Step 4: Simplify right side
    178,789.30x = 12,247,837,026.85
  5. Step 5: Solve for x
    x = 12,247,837,026.85/178,789.30
  6. Step 6: Final answer
    x = 68,504.31

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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.