Home / 179,826.88-248,161.09-100,338.88

Finding the Fourth Proportional to 179,826.88, 248,161.09 and 100,338.88

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Solution

The fourth proportional to 179,826.88, 248,161.09 and 100,338.88 is: 138,467.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,826.88 : 248,161.09 = 100,338.88 : x
  2. Step 2: Convert to fraction form
    179,826.88/248,161.09 = 100,338.88/x
  3. Step 3: Cross multiply
    179,826.88x = 248,161.09 × 100,338.88
  4. Step 4: Simplify right side
    179,826.88x = 24,900,204,338.53
  5. Step 5: Solve for x
    x = 24,900,204,338.53/179,826.88
  6. Step 6: Final answer
    x = 138,467.65

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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.