Home / 211,524.57-317,287.94-71,284.41

Finding the Fourth Proportional to 211,524.57, 317,287.94 and 71,284.41

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Solution

The fourth proportional to 211,524.57, 317,287.94 and 71,284.41 is: 106,926.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,524.57 : 317,287.94 = 71,284.41 : x
  2. Step 2: Convert to fraction form
    211,524.57/317,287.94 = 71,284.41/x
  3. Step 3: Cross multiply
    211,524.57x = 317,287.94 × 71,284.41
  4. Step 4: Simplify right side
    211,524.57x = 22,617,683,246.59
  5. Step 5: Solve for x
    x = 22,617,683,246.59/211,524.57
  6. Step 6: Final answer
    x = 106,926.98

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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.