Home / 179,639.80-269,168.10-112,960.60

Finding the Fourth Proportional to 179,639.80, 269,168.10 and 112,960.60

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Solution

The fourth proportional to 179,639.80, 269,168.10 and 112,960.60 is: 169,257.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,639.80 : 269,168.10 = 112,960.60 : x
  2. Step 2: Convert to fraction form
    179,639.80/269,168.10 = 112,960.60/x
  3. Step 3: Cross multiply
    179,639.80x = 269,168.10 × 112,960.60
  4. Step 4: Simplify right side
    179,639.80x = 30,405,390,076.86
  5. Step 5: Solve for x
    x = 30,405,390,076.86/179,639.80
  6. Step 6: Final answer
    x = 169,257.54

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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.