Home / 189,945.44-284,983.68-71,650.52

Finding the Fourth Proportional to 189,945.44, 284,983.68 and 71,650.52

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Solution

The fourth proportional to 189,945.44, 284,983.68 and 71,650.52 is: 107,500.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,945.44 : 284,983.68 = 71,650.52 : x
  2. Step 2: Convert to fraction form
    189,945.44/284,983.68 = 71,650.52/x
  3. Step 3: Cross multiply
    189,945.44x = 284,983.68 × 71,650.52
  4. Step 4: Simplify right side
    189,945.44x = 20,419,228,863.51
  5. Step 5: Solve for x
    x = 20,419,228,863.51/189,945.44
  6. Step 6: Final answer
    x = 107,500.50

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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.