Home / 449,918.82-674,861.22-112,962.06

Finding the Fourth Proportional to 449,918.82, 674,861.22 and 112,962.06

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Solution

The fourth proportional to 449,918.82, 674,861.22 and 112,962.06 is: 169,438.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,918.82 : 674,861.22 = 112,962.06 : x
  2. Step 2: Convert to fraction form
    449,918.82/674,861.22 = 112,962.06/x
  3. Step 3: Cross multiply
    449,918.82x = 674,861.22 × 112,962.06
  4. Step 4: Simplify right side
    449,918.82x = 76,233,713,625.31
  5. Step 5: Solve for x
    x = 76,233,713,625.31/449,918.82
  6. Step 6: Final answer
    x = 169,438.82

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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.