Home / 269,835.84-404,819.68-127,778.24

Finding the Fourth Proportional to 269,835.84, 404,819.68 and 127,778.24

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Solution

The fourth proportional to 269,835.84, 404,819.68 and 127,778.24 is: 191,698.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,835.84 : 404,819.68 = 127,778.24 : x
  2. Step 2: Convert to fraction form
    269,835.84/404,819.68 = 127,778.24/x
  3. Step 3: Cross multiply
    269,835.84x = 404,819.68 × 127,778.24
  4. Step 4: Simplify right side
    269,835.84x = 51,727,146,227.76
  5. Step 5: Solve for x
    x = 51,727,146,227.76/269,835.84
  6. Step 6: Final answer
    x = 191,698.58

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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.