Home / 202,236.62-279,086.21-111,592.51

Finding the Fourth Proportional to 202,236.62, 279,086.21 and 111,592.51

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Solution

The fourth proportional to 202,236.62, 279,086.21 and 111,592.51 is: 153,997.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,236.62 : 279,086.21 = 111,592.51 : x
  2. Step 2: Convert to fraction form
    202,236.62/279,086.21 = 111,592.51/x
  3. Step 3: Cross multiply
    202,236.62x = 279,086.21 × 111,592.51
  4. Step 4: Simplify right side
    202,236.62x = 31,143,929,424.61
  5. Step 5: Solve for x
    x = 31,143,929,424.61/202,236.62
  6. Step 6: Final answer
    x = 153,997.48

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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.