Home / 211,976.20-317,867.10-93,586.60

Finding the Fourth Proportional to 211,976.20, 317,867.10 and 93,586.60

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Solution

The fourth proportional to 211,976.20, 317,867.10 and 93,586.60 is: 140,336.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,976.20 : 317,867.10 = 93,586.60 : x
  2. Step 2: Convert to fraction form
    211,976.20/317,867.10 = 93,586.60/x
  3. Step 3: Cross multiply
    211,976.20x = 317,867.10 × 93,586.60
  4. Step 4: Simplify right side
    211,976.20x = 29,748,101,140.86
  5. Step 5: Solve for x
    x = 29,748,101,140.86/211,976.20
  6. Step 6: Final answer
    x = 140,336.99

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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.