Home / 225,934.41-338,821.89-90,958.24

Finding the Fourth Proportional to 225,934.41, 338,821.89 and 90,958.24

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Solution

The fourth proportional to 225,934.41, 338,821.89 and 90,958.24 is: 136,405.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,934.41 : 338,821.89 = 90,958.24 : x
  2. Step 2: Convert to fraction form
    225,934.41/338,821.89 = 90,958.24/x
  3. Step 3: Cross multiply
    225,934.41x = 338,821.89 × 90,958.24
  4. Step 4: Simplify right side
    225,934.41x = 30,818,642,870.31
  5. Step 5: Solve for x
    x = 30,818,642,870.31/225,934.41
  6. Step 6: Final answer
    x = 136,405.26

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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.