Home / 379,100.24-568,451.64-189,357.20

Finding the Fourth Proportional to 379,100.24, 568,451.64 and 189,357.20

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Solution

The fourth proportional to 379,100.24, 568,451.64 and 189,357.20 is: 283,936.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,100.24 : 568,451.64 = 189,357.20 : x
  2. Step 2: Convert to fraction form
    379,100.24/568,451.64 = 189,357.20/x
  3. Step 3: Cross multiply
    379,100.24x = 568,451.64 × 189,357.20
  4. Step 4: Simplify right side
    379,100.24x = 107,640,410,885.81
  5. Step 5: Solve for x
    x = 107,640,410,885.81/379,100.24
  6. Step 6: Final answer
    x = 283,936.54

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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.