Home / 203,876.73-281,340.33-113,238.22

Finding the Fourth Proportional to 203,876.73, 281,340.33 and 113,238.22

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Solution

The fourth proportional to 203,876.73, 281,340.33 and 113,238.22 is: 156,263.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,876.73 : 281,340.33 = 113,238.22 : x
  2. Step 2: Convert to fraction form
    203,876.73/281,340.33 = 113,238.22/x
  3. Step 3: Cross multiply
    203,876.73x = 281,340.33 × 113,238.22
  4. Step 4: Simplify right side
    203,876.73x = 31,858,478,183.41
  5. Step 5: Solve for x
    x = 31,858,478,183.41/203,876.73
  6. Step 6: Final answer
    x = 156,263.44

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1.5x scale

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.