Home / 444,053.15-665,979.26-203,936.21

Finding the Fourth Proportional to 444,053.15, 665,979.26 and 203,936.21

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Solution

The fourth proportional to 444,053.15, 665,979.26 and 203,936.21 is: 305,858.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,053.15 : 665,979.26 = 203,936.21 : x
  2. Step 2: Convert to fraction form
    444,053.15/665,979.26 = 203,936.21/x
  3. Step 3: Cross multiply
    444,053.15x = 665,979.26 × 203,936.21
  4. Step 4: Simplify right side
    444,053.15x = 135,817,283,402.95
  5. Step 5: Solve for x
    x = 135,817,283,402.95/444,053.15
  6. Step 6: Final answer
    x = 305,858.17

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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.