Home / 203,586.36-280,949.52-112,942.33

Finding the Fourth Proportional to 203,586.36, 280,949.52 and 112,942.33

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Solution

The fourth proportional to 203,586.36, 280,949.52 and 112,942.33 is: 155,860.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,586.36 : 280,949.52 = 112,942.33 : x
  2. Step 2: Convert to fraction form
    203,586.36/280,949.52 = 112,942.33/x
  3. Step 3: Cross multiply
    203,586.36x = 280,949.52 × 112,942.33
  4. Step 4: Simplify right side
    203,586.36x = 31,731,093,401.18
  5. Step 5: Solve for x
    x = 31,731,093,401.18/203,586.36
  6. Step 6: Final answer
    x = 155,860.61

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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.