Home / 141,972.38-212,896.19-53,163.59

Finding the Fourth Proportional to 141,972.38, 212,896.19 and 53,163.59

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Solution

The fourth proportional to 141,972.38, 212,896.19 and 53,163.59 is: 79,722.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,972.38 : 212,896.19 = 53,163.59 : x
  2. Step 2: Convert to fraction form
    141,972.38/212,896.19 = 53,163.59/x
  3. Step 3: Cross multiply
    141,972.38x = 212,896.19 × 53,163.59
  4. Step 4: Simplify right side
    141,972.38x = 11,318,324,826.15
  5. Step 5: Solve for x
    x = 11,318,324,826.15/141,972.38
  6. Step 6: Final answer
    x = 79,722.02

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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.