Home / 446,732.21-670,105.25-143,183.45

Finding the Fourth Proportional to 446,732.21, 670,105.25 and 143,183.45

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Solution

The fourth proportional to 446,732.21, 670,105.25 and 143,183.45 is: 214,777.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,732.21 : 670,105.25 = 143,183.45 : x
  2. Step 2: Convert to fraction form
    446,732.21/670,105.25 = 143,183.45/x
  3. Step 3: Cross multiply
    446,732.21x = 670,105.25 × 143,183.45
  4. Step 4: Simplify right side
    446,732.21x = 95,947,977,491.67
  5. Step 5: Solve for x
    x = 95,947,977,491.67/446,732.21
  6. Step 6: Final answer
    x = 214,777.39

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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.