Home / 211,934.70-317,902.20-54,163.32

Finding the Fourth Proportional to 211,934.70, 317,902.20 and 54,163.32

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Solution

The fourth proportional to 211,934.70, 317,902.20 and 54,163.32 is: 81,245.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,934.70 : 317,902.20 = 54,163.32 : x
  2. Step 2: Convert to fraction form
    211,934.70/317,902.20 = 54,163.32/x
  3. Step 3: Cross multiply
    211,934.70x = 317,902.20 × 54,163.32
  4. Step 4: Simplify right side
    211,934.70x = 17,218,638,587.30
  5. Step 5: Solve for x
    x = 17,218,638,587.30/211,934.70
  6. Step 6: Final answer
    x = 81,245.02

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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.