Home / 211,400.86-317,067.54-61,606.11

Finding the Fourth Proportional to 211,400.86, 317,067.54 and 61,606.11

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Solution

The fourth proportional to 211,400.86, 317,067.54 and 61,606.11 is: 92,399.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,400.86 : 317,067.54 = 61,606.11 : x
  2. Step 2: Convert to fraction form
    211,400.86/317,067.54 = 61,606.11/x
  3. Step 3: Cross multiply
    211,400.86x = 317,067.54 × 61,606.11
  4. Step 4: Simplify right side
    211,400.86x = 19,533,297,958.44
  5. Step 5: Solve for x
    x = 19,533,297,958.44/211,400.86
  6. Step 6: Final answer
    x = 92,399.33

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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.