Home / 132,418.20-198,627.30-122,698.20

Finding the Fourth Proportional to 132,418.20, 198,627.30 and 122,698.20

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Solution

The fourth proportional to 132,418.20, 198,627.30 and 122,698.20 is: 184,047.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,418.20 : 198,627.30 = 122,698.20 : x
  2. Step 2: Convert to fraction form
    132,418.20/198,627.30 = 122,698.20/x
  3. Step 3: Cross multiply
    132,418.20x = 198,627.30 × 122,698.20
  4. Step 4: Simplify right side
    132,418.20x = 24,371,212,180.86
  5. Step 5: Solve for x
    x = 24,371,212,180.86/132,418.20
  6. Step 6: Final answer
    x = 184,047.30

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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.