Home / 245,198.12-338,594.73-154,714.64

Finding the Fourth Proportional to 245,198.12, 338,594.73 and 154,714.64

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Solution

The fourth proportional to 245,198.12, 338,594.73 and 154,714.64 is: 213,645.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,198.12 : 338,594.73 = 154,714.64 : x
  2. Step 2: Convert to fraction form
    245,198.12/338,594.73 = 154,714.64/x
  3. Step 3: Cross multiply
    245,198.12x = 338,594.73 × 154,714.64
  4. Step 4: Simplify right side
    245,198.12x = 52,385,561,757.85
  5. Step 5: Solve for x
    x = 52,385,561,757.85/245,198.12
  6. Step 6: Final answer
    x = 213,645.85

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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.