Home / 178,704.43-268,056.74-112,191.28

Finding the Fourth Proportional to 178,704.43, 268,056.74 and 112,191.28

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Solution

The fourth proportional to 178,704.43, 268,056.74 and 112,191.28 is: 168,286.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,704.43 : 268,056.74 = 112,191.28 : x
  2. Step 2: Convert to fraction form
    178,704.43/268,056.74 = 112,191.28/x
  3. Step 3: Cross multiply
    178,704.43x = 268,056.74 × 112,191.28
  4. Step 4: Simplify right side
    178,704.43x = 30,073,628,383.56
  5. Step 5: Solve for x
    x = 30,073,628,383.56/178,704.43
  6. Step 6: Final answer
    x = 168,286.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.