Home / 181,982.22-273,126.69-76,876.62

Finding the Fourth Proportional to 181,982.22, 273,126.69 and 76,876.62

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Solution

The fourth proportional to 181,982.22, 273,126.69 and 76,876.62 is: 115,379.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,982.22 : 273,126.69 = 76,876.62 : x
  2. Step 2: Convert to fraction form
    181,982.22/273,126.69 = 76,876.62/x
  3. Step 3: Cross multiply
    181,982.22x = 273,126.69 × 76,876.62
  4. Step 4: Simplify right side
    181,982.22x = 20,997,056,758.99
  5. Step 5: Solve for x
    x = 20,997,056,758.99/181,982.22
  6. Step 6: Final answer
    x = 115,379.72

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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.