Home / 211,846.24-317,951.60-122,976.28

Finding the Fourth Proportional to 211,846.24, 317,951.60 and 122,976.28

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Solution

The fourth proportional to 211,846.24, 317,951.60 and 122,976.28 is: 184,570.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,846.24 : 317,951.60 = 122,976.28 : x
  2. Step 2: Convert to fraction form
    211,846.24/317,951.60 = 122,976.28/x
  3. Step 3: Cross multiply
    211,846.24x = 317,951.60 × 122,976.28
  4. Step 4: Simplify right side
    211,846.24x = 39,100,504,988.05
  5. Step 5: Solve for x
    x = 39,100,504,988.05/211,846.24
  6. Step 6: Final answer
    x = 184,570.21

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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.