Home / 188,211.12-282,353.40-55,093.56

Finding the Fourth Proportional to 188,211.12, 282,353.40 and 55,093.56

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Solution

The fourth proportional to 188,211.12, 282,353.40 and 55,093.56 is: 82,651.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,211.12 : 282,353.40 = 55,093.56 : x
  2. Step 2: Convert to fraction form
    188,211.12/282,353.40 = 55,093.56/x
  3. Step 3: Cross multiply
    188,211.12x = 282,353.40 × 55,093.56
  4. Step 4: Simplify right side
    188,211.12x = 15,555,853,984.10
  5. Step 5: Solve for x
    x = 15,555,853,984.10/188,211.12
  6. Step 6: Final answer
    x = 82,651.09

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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.