Home / 217,433.03-326,180.30-67,688.43

Finding the Fourth Proportional to 217,433.03, 326,180.30 and 67,688.43

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Solution

The fourth proportional to 217,433.03, 326,180.30 and 67,688.43 is: 101,542.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,433.03 : 326,180.30 = 67,688.43 : x
  2. Step 2: Convert to fraction form
    217,433.03/326,180.30 = 67,688.43/x
  3. Step 3: Cross multiply
    217,433.03x = 326,180.30 × 67,688.43
  4. Step 4: Simplify right side
    217,433.03x = 22,078,632,403.93
  5. Step 5: Solve for x
    x = 22,078,632,403.93/217,433.03
  6. Step 6: Final answer
    x = 101,542.22

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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.