Home / 141,982.88-212,912.16-53,174.11

Finding the Fourth Proportional to 141,982.88, 212,912.16 and 53,174.11

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Solution

The fourth proportional to 141,982.88, 212,912.16 and 53,174.11 is: 79,737.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,982.88 : 212,912.16 = 53,174.11 : x
  2. Step 2: Convert to fraction form
    141,982.88/212,912.16 = 53,174.11/x
  3. Step 3: Cross multiply
    141,982.88x = 212,912.16 × 53,174.11
  4. Step 4: Simplify right side
    141,982.88x = 11,321,413,551.62
  5. Step 5: Solve for x
    x = 11,321,413,551.62/141,982.88
  6. Step 6: Final answer
    x = 79,737.88

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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.