Home / 141,983.13-212,912.54-53,174.36

Finding the Fourth Proportional to 141,983.13, 212,912.54 and 53,174.36

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Solution

The fourth proportional to 141,983.13, 212,912.54 and 53,174.36 is: 79,738.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,983.13 : 212,912.54 = 53,174.36 : x
  2. Step 2: Convert to fraction form
    141,983.13/212,912.54 = 53,174.36/x
  3. Step 3: Cross multiply
    141,983.13x = 212,912.54 × 53,174.36
  4. Step 4: Simplify right side
    141,983.13x = 11,321,488,050.47
  5. Step 5: Solve for x
    x = 11,321,488,050.47/141,983.13
  6. Step 6: Final answer
    x = 79,738.26

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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.