Home / 225,945.36-338,926.86-68,173.83

Finding the Fourth Proportional to 225,945.36, 338,926.86 and 68,173.83

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Solution

The fourth proportional to 225,945.36, 338,926.86 and 68,173.83 is: 102,263.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,945.36 : 338,926.86 = 68,173.83 : x
  2. Step 2: Convert to fraction form
    225,945.36/338,926.86 = 68,173.83/x
  3. Step 3: Cross multiply
    225,945.36x = 338,926.86 × 68,173.83
  4. Step 4: Simplify right side
    225,945.36x = 23,105,942,136.07
  5. Step 5: Solve for x
    x = 23,105,942,136.07/225,945.36
  6. Step 6: Final answer
    x = 102,263.41

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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.