Home / 179,223.58-268,836.12-72,609.60

Finding the Fourth Proportional to 179,223.58, 268,836.12 and 72,609.60

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Solution

The fourth proportional to 179,223.58, 268,836.12 and 72,609.60 is: 108,914.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,223.58 : 268,836.12 = 72,609.60 : x
  2. Step 2: Convert to fraction form
    179,223.58/268,836.12 = 72,609.60/x
  3. Step 3: Cross multiply
    179,223.58x = 268,836.12 × 72,609.60
  4. Step 4: Simplify right side
    179,223.58x = 19,520,083,138.75
  5. Step 5: Solve for x
    x = 19,520,083,138.75/179,223.58
  6. Step 6: Final answer
    x = 108,914.71

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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.