Home / 203,834.79-281,282.54-113,196.56

Finding the Fourth Proportional to 203,834.79, 281,282.54 and 113,196.56

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Solution

The fourth proportional to 203,834.79, 281,282.54 and 113,196.56 is: 156,205.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,834.79 : 281,282.54 = 113,196.56 : x
  2. Step 2: Convert to fraction form
    203,834.79/281,282.54 = 113,196.56/x
  3. Step 3: Cross multiply
    203,834.79x = 281,282.54 × 113,196.56
  4. Step 4: Simplify right side
    203,834.79x = 31,840,213,943.67
  5. Step 5: Solve for x
    x = 31,840,213,943.67/203,834.79
  6. Step 6: Final answer
    x = 156,205.98

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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.