Home / 209,376.27-314,093.34-67,188.09

Finding the Fourth Proportional to 209,376.27, 314,093.34 and 67,188.09

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Solution

The fourth proportional to 209,376.27, 314,093.34 and 67,188.09 is: 100,791.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,376.27 : 314,093.34 = 67,188.09 : x
  2. Step 2: Convert to fraction form
    209,376.27/314,093.34 = 67,188.09/x
  3. Step 3: Cross multiply
    209,376.27x = 314,093.34 × 67,188.09
  4. Step 4: Simplify right side
    209,376.27x = 21,103,331,596.32
  5. Step 5: Solve for x
    x = 21,103,331,596.32/209,376.27
  6. Step 6: Final answer
    x = 100,791.42

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1.5x scale

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.