Home / 135,664.44-187,213.38-75,234.96

Finding the Fourth Proportional to 135,664.44, 187,213.38 and 75,234.96

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Solution

The fourth proportional to 135,664.44, 187,213.38 and 75,234.96 is: 103,822.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,664.44 : 187,213.38 = 75,234.96 : x
  2. Step 2: Convert to fraction form
    135,664.44/187,213.38 = 75,234.96/x
  3. Step 3: Cross multiply
    135,664.44x = 187,213.38 × 75,234.96
  4. Step 4: Simplify right side
    135,664.44x = 14,084,991,155.76
  5. Step 5: Solve for x
    x = 14,084,991,155.76/135,664.44
  6. Step 6: Final answer
    x = 103,822.28

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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.