Home / 209,743.08-314,540.52-67,582.68

Finding the Fourth Proportional to 209,743.08, 314,540.52 and 67,582.68

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Solution

The fourth proportional to 209,743.08, 314,540.52 and 67,582.68 is: 101,350.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,743.08 : 314,540.52 = 67,582.68 : x
  2. Step 2: Convert to fraction form
    209,743.08/314,540.52 = 67,582.68/x
  3. Step 3: Cross multiply
    209,743.08x = 314,540.52 × 67,582.68
  4. Step 4: Simplify right side
    209,743.08x = 21,257,491,310.19
  5. Step 5: Solve for x
    x = 21,257,491,310.19/209,743.08
  6. Step 6: Final answer
    x = 101,350.14

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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.