Home / 189,091.05-283,689.24-82,484.52

Finding the Fourth Proportional to 189,091.05, 283,689.24 and 82,484.52

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Solution

The fourth proportional to 189,091.05, 283,689.24 and 82,484.52 is: 123,749.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,091.05 : 283,689.24 = 82,484.52 : x
  2. Step 2: Convert to fraction form
    189,091.05/283,689.24 = 82,484.52/x
  3. Step 3: Cross multiply
    189,091.05x = 283,689.24 × 82,484.52
  4. Step 4: Simplify right side
    189,091.05x = 23,399,970,790.56
  5. Step 5: Solve for x
    x = 23,399,970,790.56/189,091.05
  6. Step 6: Final answer
    x = 123,749.75

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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.