Home / 449,247.18-673,967.46-129,396.84

Finding the Fourth Proportional to 449,247.18, 673,967.46 and 129,396.84

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Solution

The fourth proportional to 449,247.18, 673,967.46 and 129,396.84 is: 194,123.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,247.18 : 673,967.46 = 129,396.84 : x
  2. Step 2: Convert to fraction form
    449,247.18/673,967.46 = 129,396.84/x
  3. Step 3: Cross multiply
    449,247.18x = 673,967.46 × 129,396.84
  4. Step 4: Simplify right side
    449,247.18x = 87,209,259,586.83
  5. Step 5: Solve for x
    x = 87,209,259,586.83/449,247.18
  6. Step 6: Final answer
    x = 194,123.11

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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.