Home / 226,819.74-313,023.51-126,219.90

Finding the Fourth Proportional to 226,819.74, 313,023.51 and 126,219.90

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Solution

The fourth proportional to 226,819.74, 313,023.51 and 126,219.90 is: 174,190.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,819.74 : 313,023.51 = 126,219.90 : x
  2. Step 2: Convert to fraction form
    226,819.74/313,023.51 = 126,219.90/x
  3. Step 3: Cross multiply
    226,819.74x = 313,023.51 × 126,219.90
  4. Step 4: Simplify right side
    226,819.74x = 39,509,796,129.85
  5. Step 5: Solve for x
    x = 39,509,796,129.85/226,819.74
  6. Step 6: Final answer
    x = 174,190.29

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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.