Home / 445,042.63-667,556.65-108,086.05

Finding the Fourth Proportional to 445,042.63, 667,556.65 and 108,086.05

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Solution

The fourth proportional to 445,042.63, 667,556.65 and 108,086.05 is: 162,127.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,042.63 : 667,556.65 = 108,086.05 : x
  2. Step 2: Convert to fraction form
    445,042.63/667,556.65 = 108,086.05/x
  3. Step 3: Cross multiply
    445,042.63x = 667,556.65 × 108,086.05
  4. Step 4: Simplify right side
    445,042.63x = 72,153,561,449.73
  5. Step 5: Solve for x
    x = 72,153,561,449.73/445,042.63
  6. Step 6: Final answer
    x = 162,127.30

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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.