Home / 446,109.58-669,190.32-126,234.64

Finding the Fourth Proportional to 446,109.58, 669,190.32 and 126,234.64

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Solution

The fourth proportional to 446,109.58, 669,190.32 and 126,234.64 is: 189,359.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,109.58 : 669,190.32 = 126,234.64 : x
  2. Step 2: Convert to fraction form
    446,109.58/669,190.32 = 126,234.64/x
  3. Step 3: Cross multiply
    446,109.58x = 669,190.32 × 126,234.64
  4. Step 4: Simplify right side
    446,109.58x = 84,474,999,136.68
  5. Step 5: Solve for x
    x = 84,474,999,136.68/446,109.58
  6. Step 6: Final answer
    x = 189,359.30

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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.