Home / 209,774.22-314,450.66-67,514.96

Finding the Fourth Proportional to 209,774.22, 314,450.66 and 67,514.96

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Solution

The fourth proportional to 209,774.22, 314,450.66 and 67,514.96 is: 101,204.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,774.22 : 314,450.66 = 67,514.96 : x
  2. Step 2: Convert to fraction form
    209,774.22/314,450.66 = 67,514.96/x
  3. Step 3: Cross multiply
    209,774.22x = 314,450.66 × 67,514.96
  4. Step 4: Simplify right side
    209,774.22x = 21,230,123,731.87
  5. Step 5: Solve for x
    x = 21,230,123,731.87/209,774.22
  6. Step 6: Final answer
    x = 101,204.64

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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.