Home / 211,850.29-317,786.37-54,080.11

Finding the Fourth Proportional to 211,850.29, 317,786.37 and 54,080.11

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Solution

The fourth proportional to 211,850.29, 317,786.37 and 54,080.11 is: 81,122.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,850.29 : 317,786.37 = 54,080.11 : x
  2. Step 2: Convert to fraction form
    211,850.29/317,786.37 = 54,080.11/x
  3. Step 3: Cross multiply
    211,850.29x = 317,786.37 × 54,080.11
  4. Step 4: Simplify right side
    211,850.29x = 17,185,921,846.10
  5. Step 5: Solve for x
    x = 17,185,921,846.10/211,850.29
  6. Step 6: Final answer
    x = 81,122.96

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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.