Home / 133,336.44-183,997.84-75,989.20

Finding the Fourth Proportional to 133,336.44, 183,997.84 and 75,989.20

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Solution

The fourth proportional to 133,336.44, 183,997.84 and 75,989.20 is: 104,861.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,336.44 : 183,997.84 = 75,989.20 : x
  2. Step 2: Convert to fraction form
    133,336.44/183,997.84 = 75,989.20/x
  3. Step 3: Cross multiply
    133,336.44x = 183,997.84 × 75,989.20
  4. Step 4: Simplify right side
    133,336.44x = 13,981,848,663.33
  5. Step 5: Solve for x
    x = 13,981,848,663.33/133,336.44
  6. Step 6: Final answer
    x = 104,861.42

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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.