Home / 188,116.20-282,247.80-82,861.44

Finding the Fourth Proportional to 188,116.20, 282,247.80 and 82,861.44

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Solution

The fourth proportional to 188,116.20, 282,247.80 and 82,861.44 is: 124,324.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,116.20 : 282,247.80 = 82,861.44 : x
  2. Step 2: Convert to fraction form
    188,116.20/282,247.80 = 82,861.44/x
  3. Step 3: Cross multiply
    188,116.20x = 282,247.80 × 82,861.44
  4. Step 4: Simplify right side
    188,116.20x = 23,387,459,144.83
  5. Step 5: Solve for x
    x = 23,387,459,144.83/188,116.20
  6. Step 6: Final answer
    x = 124,324.54

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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.