Home / 143,262.17-214,865.46-136,149.86

Finding the Fourth Proportional to 143,262.17, 214,865.46 and 136,149.86

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Solution

The fourth proportional to 143,262.17, 214,865.46 and 136,149.86 is: 204,198.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,262.17 : 214,865.46 = 136,149.86 : x
  2. Step 2: Convert to fraction form
    143,262.17/214,865.46 = 136,149.86/x
  3. Step 3: Cross multiply
    143,262.17x = 214,865.46 × 136,149.86
  4. Step 4: Simplify right side
    143,262.17x = 29,253,902,835.00
  5. Step 5: Solve for x
    x = 29,253,902,835.00/143,262.17
  6. Step 6: Final answer
    x = 204,198.38

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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.