Home / 132,994.20-199,500.30-54,109.80

Finding the Fourth Proportional to 132,994.20, 199,500.30 and 54,109.80

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Solution

The fourth proportional to 132,994.20, 199,500.30 and 54,109.80 is: 81,168.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,994.20 : 199,500.30 = 54,109.80 : x
  2. Step 2: Convert to fraction form
    132,994.20/199,500.30 = 54,109.80/x
  3. Step 3: Cross multiply
    132,994.20x = 199,500.30 × 54,109.80
  4. Step 4: Simplify right side
    132,994.20x = 10,794,921,332.94
  5. Step 5: Solve for x
    x = 10,794,921,332.94/132,994.20
  6. Step 6: Final answer
    x = 81,168.36

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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.