Home / 211,838.61-317,757.66-54,067.08

Finding the Fourth Proportional to 211,838.61, 317,757.66 and 54,067.08

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Solution

The fourth proportional to 211,838.61, 317,757.66 and 54,067.08 is: 81,100.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,838.61 : 317,757.66 = 54,067.08 : x
  2. Step 2: Convert to fraction form
    211,838.61/317,757.66 = 54,067.08/x
  3. Step 3: Cross multiply
    211,838.61x = 317,757.66 × 54,067.08
  4. Step 4: Simplify right side
    211,838.61x = 17,180,228,823.83
  5. Step 5: Solve for x
    x = 17,180,228,823.83/211,838.61
  6. Step 6: Final answer
    x = 81,100.55

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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.