Home / 379,097.06-568,455.44-126,288.67

Finding the Fourth Proportional to 379,097.06, 568,455.44 and 126,288.67

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Solution

The fourth proportional to 379,097.06, 568,455.44 and 126,288.67 is: 189,369.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,097.06 : 568,455.44 = 126,288.67 : x
  2. Step 2: Convert to fraction form
    379,097.06/568,455.44 = 126,288.67/x
  3. Step 3: Cross multiply
    379,097.06x = 568,455.44 × 126,288.67
  4. Step 4: Simplify right side
    379,097.06x = 71,789,481,550.70
  5. Step 5: Solve for x
    x = 71,789,481,550.70/379,097.06
  6. Step 6: Final answer
    x = 189,369.66

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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.