Home / 234,741.86-323,913.99-139,229.90

Finding the Fourth Proportional to 234,741.86, 323,913.99 and 139,229.90

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Solution

The fourth proportional to 234,741.86, 323,913.99 and 139,229.90 is: 192,119.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,741.86 : 323,913.99 = 139,229.90 : x
  2. Step 2: Convert to fraction form
    234,741.86/323,913.99 = 139,229.90/x
  3. Step 3: Cross multiply
    234,741.86x = 323,913.99 × 139,229.90
  4. Step 4: Simplify right side
    234,741.86x = 45,098,512,436.30
  5. Step 5: Solve for x
    x = 45,098,512,436.30/234,741.86
  6. Step 6: Final answer
    x = 192,119.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.