Home / 203,834.89-281,299.19-113,192.37

Finding the Fourth Proportional to 203,834.89, 281,299.19 and 113,192.37

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Solution

The fourth proportional to 203,834.89, 281,299.19 and 113,192.37 is: 156,209.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,834.89 : 281,299.19 = 113,192.37 : x
  2. Step 2: Convert to fraction form
    203,834.89/281,299.19 = 113,192.37/x
  3. Step 3: Cross multiply
    203,834.89x = 281,299.19 × 113,192.37
  4. Step 4: Simplify right side
    203,834.89x = 31,840,922,908.56
  5. Step 5: Solve for x
    x = 31,840,922,908.56/203,834.89
  6. Step 6: Final answer
    x = 156,209.38

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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.