Home / 179,121.54-268,701.12-89,186.55

Finding the Fourth Proportional to 179,121.54, 268,701.12 and 89,186.55

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Solution

The fourth proportional to 179,121.54, 268,701.12 and 89,186.55 is: 133,789.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,121.54 : 268,701.12 = 89,186.55 : x
  2. Step 2: Convert to fraction form
    179,121.54/268,701.12 = 89,186.55/x
  3. Step 3: Cross multiply
    179,121.54x = 268,701.12 × 89,186.55
  4. Step 4: Simplify right side
    179,121.54x = 23,964,525,873.94
  5. Step 5: Solve for x
    x = 23,964,525,873.94/179,121.54
  6. Step 6: Final answer
    x = 133,789.19

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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.