Home / 135,936.62-187,590.03-75,504.86

Finding the Fourth Proportional to 135,936.62, 187,590.03 and 75,504.86

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Solution

The fourth proportional to 135,936.62, 187,590.03 and 75,504.86 is: 104,195.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,936.62 : 187,590.03 = 75,504.86 : x
  2. Step 2: Convert to fraction form
    135,936.62/187,590.03 = 75,504.86/x
  3. Step 3: Cross multiply
    135,936.62x = 187,590.03 × 75,504.86
  4. Step 4: Simplify right side
    135,936.62x = 14,163,958,952.55
  5. Step 5: Solve for x
    x = 14,163,958,952.55/135,936.62
  6. Step 6: Final answer
    x = 104,195.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.