Home / 211,958.20-317,840.10-93,568.60

Finding the Fourth Proportional to 211,958.20, 317,840.10 and 93,568.60

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Solution

The fourth proportional to 211,958.20, 317,840.10 and 93,568.60 is: 140,309.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,958.20 : 317,840.10 = 93,568.60 : x
  2. Step 2: Convert to fraction form
    211,958.20/317,840.10 = 93,568.60/x
  3. Step 3: Cross multiply
    211,958.20x = 317,840.10 × 93,568.60
  4. Step 4: Simplify right side
    211,958.20x = 29,739,853,180.86
  5. Step 5: Solve for x
    x = 29,739,853,180.86/211,958.20
  6. Step 6: Final answer
    x = 140,309.99

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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.