Home / 209,772.22-314,447.66-67,512.96

Finding the Fourth Proportional to 209,772.22, 314,447.66 and 67,512.96

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Solution

The fourth proportional to 209,772.22, 314,447.66 and 67,512.96 is: 101,201.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,772.22 : 314,447.66 = 67,512.96 : x
  2. Step 2: Convert to fraction form
    209,772.22/314,447.66 = 67,512.96/x
  3. Step 3: Cross multiply
    209,772.22x = 314,447.66 × 67,512.96
  4. Step 4: Simplify right side
    209,772.22x = 21,229,292,291.67
  5. Step 5: Solve for x
    x = 21,229,292,291.67/209,772.22
  6. Step 6: Final answer
    x = 101,201.64

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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.