Home / 132,105.18-198,179.78-43,334.85

Finding the Fourth Proportional to 132,105.18, 198,179.78 and 43,334.85

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Solution

The fourth proportional to 132,105.18, 198,179.78 and 43,334.85 is: 65,009.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,105.18 : 198,179.78 = 43,334.85 : x
  2. Step 2: Convert to fraction form
    132,105.18/198,179.78 = 43,334.85/x
  3. Step 3: Cross multiply
    132,105.18x = 198,179.78 × 43,334.85
  4. Step 4: Simplify right side
    132,105.18x = 8,588,090,822.66
  5. Step 5: Solve for x
    x = 8,588,090,822.66/132,105.18
  6. Step 6: Final answer
    x = 65,009.49

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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.