Home / 161,879.16-242,847.96-73,174.44

Finding the Fourth Proportional to 161,879.16, 242,847.96 and 73,174.44

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Solution

The fourth proportional to 161,879.16, 242,847.96 and 73,174.44 is: 109,774.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,879.16 : 242,847.96 = 73,174.44 : x
  2. Step 2: Convert to fraction form
    161,879.16/242,847.96 = 73,174.44/x
  3. Step 3: Cross multiply
    161,879.16x = 242,847.96 × 73,174.44
  4. Step 4: Simplify right side
    161,879.16x = 17,770,263,478.14
  5. Step 5: Solve for x
    x = 17,770,263,478.14/161,879.16
  6. Step 6: Final answer
    x = 109,774.87

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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.