Home / 300,819.24-415,147.14-166,680.36

Finding the Fourth Proportional to 300,819.24, 415,147.14 and 166,680.36

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Solution

The fourth proportional to 300,819.24, 415,147.14 and 166,680.36 is: 230,028.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,819.24 : 415,147.14 = 166,680.36 : x
  2. Step 2: Convert to fraction form
    300,819.24/415,147.14 = 166,680.36/x
  3. Step 3: Cross multiply
    300,819.24x = 415,147.14 × 166,680.36
  4. Step 4: Simplify right side
    300,819.24x = 69,196,874,748.17
  5. Step 5: Solve for x
    x = 69,196,874,748.17/300,819.24
  6. Step 6: Final answer
    x = 230,028.09

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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.