Home / 165,672.20-248,508.30-114,933.80

Finding the Fourth Proportional to 165,672.20, 248,508.30 and 114,933.80

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Solution

The fourth proportional to 165,672.20, 248,508.30 and 114,933.80 is: 172,400.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,672.20 : 248,508.30 = 114,933.80 : x
  2. Step 2: Convert to fraction form
    165,672.20/248,508.30 = 114,933.80/x
  3. Step 3: Cross multiply
    165,672.20x = 248,508.30 × 114,933.80
  4. Step 4: Simplify right side
    165,672.20x = 28,562,003,250.54
  5. Step 5: Solve for x
    x = 28,562,003,250.54/165,672.20
  6. Step 6: Final answer
    x = 172,400.70

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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.