Home / 174,002.80-261,247.20-111,211.60

Finding the Fourth Proportional to 174,002.80, 261,247.20 and 111,211.60

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Solution

The fourth proportional to 174,002.80, 261,247.20 and 111,211.60 is: 166,972.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,002.80 : 261,247.20 = 111,211.60 : x
  2. Step 2: Convert to fraction form
    174,002.80/261,247.20 = 111,211.60/x
  3. Step 3: Cross multiply
    174,002.80x = 261,247.20 × 111,211.60
  4. Step 4: Simplify right side
    174,002.80x = 29,053,719,107.52
  5. Step 5: Solve for x
    x = 29,053,719,107.52/174,002.80
  6. Step 6: Final answer
    x = 166,972.71

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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.