Home / 444,936.12-666,939.96-220,156.26

Finding the Fourth Proportional to 444,936.12, 666,939.96 and 220,156.26

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Solution

The fourth proportional to 444,936.12, 666,939.96 and 220,156.26 is: 330,004.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,936.12 : 666,939.96 = 220,156.26 : x
  2. Step 2: Convert to fraction form
    444,936.12/666,939.96 = 220,156.26/x
  3. Step 3: Cross multiply
    444,936.12x = 666,939.96 × 220,156.26
  4. Step 4: Simplify right side
    444,936.12x = 146,831,007,238.15
  5. Step 5: Solve for x
    x = 146,831,007,238.15/444,936.12
  6. Step 6: Final answer
    x = 330,004.69

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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.