Home / 449,118.12-673,706.34-149,586.60

Finding the Fourth Proportional to 449,118.12, 673,706.34 and 149,586.60

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Solution

The fourth proportional to 449,118.12, 673,706.34 and 149,586.60 is: 224,389.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,118.12 : 673,706.34 = 149,586.60 : x
  2. Step 2: Convert to fraction form
    449,118.12/673,706.34 = 149,586.60/x
  3. Step 3: Cross multiply
    449,118.12x = 673,706.34 × 149,586.60
  4. Step 4: Simplify right side
    449,118.12x = 100,777,440,799.04
  5. Step 5: Solve for x
    x = 100,777,440,799.04/449,118.12
  6. Step 6: Final answer
    x = 224,389.61

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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.