Home / 446,635.72-670,057.21-147,105.55

Finding the Fourth Proportional to 446,635.72, 670,057.21 and 147,105.55

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Solution

The fourth proportional to 446,635.72, 670,057.21 and 147,105.55 is: 220,692.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,635.72 : 670,057.21 = 147,105.55 : x
  2. Step 2: Convert to fraction form
    446,635.72/670,057.21 = 147,105.55/x
  3. Step 3: Cross multiply
    446,635.72x = 670,057.21 × 147,105.55
  4. Step 4: Simplify right side
    446,635.72x = 98,569,135,429.97
  5. Step 5: Solve for x
    x = 98,569,135,429.97/446,635.72
  6. Step 6: Final answer
    x = 220,692.46

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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.