Home / 132,906.20-183,406.49-75,551.78

Finding the Fourth Proportional to 132,906.20, 183,406.49 and 75,551.78

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Solution

The fourth proportional to 132,906.20, 183,406.49 and 75,551.78 is: 104,259.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,906.20 : 183,406.49 = 75,551.78 : x
  2. Step 2: Convert to fraction form
    132,906.20/183,406.49 = 75,551.78/x
  3. Step 3: Cross multiply
    132,906.20x = 183,406.49 × 75,551.78
  4. Step 4: Simplify right side
    132,906.20x = 13,856,687,147.13
  5. Step 5: Solve for x
    x = 13,856,687,147.13/132,906.20
  6. Step 6: Final answer
    x = 104,259.15

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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.