Home / 225,917.20-338,766.36-68,116.24

Finding the Fourth Proportional to 225,917.20, 338,766.36 and 68,116.24

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Solution

The fourth proportional to 225,917.20, 338,766.36 and 68,116.24 is: 102,141.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,917.20 : 338,766.36 = 68,116.24 : x
  2. Step 2: Convert to fraction form
    225,917.20/338,766.36 = 68,116.24/x
  3. Step 3: Cross multiply
    225,917.20x = 338,766.36 × 68,116.24
  4. Step 4: Simplify right side
    225,917.20x = 23,075,490,681.69
  5. Step 5: Solve for x
    x = 23,075,490,681.69/225,917.20
  6. Step 6: Final answer
    x = 102,141.36

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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.