Home / 226,189.14-339,339.78-68,417.61

Finding the Fourth Proportional to 226,189.14, 339,339.78 and 68,417.61

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Solution

The fourth proportional to 226,189.14, 339,339.78 and 68,417.61 is: 102,643.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,189.14 : 339,339.78 = 68,417.61 : x
  2. Step 2: Convert to fraction form
    226,189.14/339,339.78 = 68,417.61/x
  3. Step 3: Cross multiply
    226,189.14x = 339,339.78 × 68,417.61
  4. Step 4: Simplify right side
    226,189.14x = 23,216,816,725.53
  5. Step 5: Solve for x
    x = 23,216,816,725.53/226,189.14
  6. Step 6: Final answer
    x = 102,643.38

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1.5x scale

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.