Home / 225,953.12-338,921.16-68,177.36

Finding the Fourth Proportional to 225,953.12, 338,921.16 and 68,177.36

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Solution

The fourth proportional to 225,953.12, 338,921.16 and 68,177.36 is: 102,263.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,953.12 : 338,921.16 = 68,177.36 : x
  2. Step 2: Convert to fraction form
    225,953.12/338,921.16 = 68,177.36/x
  3. Step 3: Cross multiply
    225,953.12x = 338,921.16 × 68,177.36
  4. Step 4: Simplify right side
    225,953.12x = 23,106,749,936.94
  5. Step 5: Solve for x
    x = 23,106,749,936.94/225,953.12
  6. Step 6: Final answer
    x = 102,263.47

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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.