Home / 226,422.30-339,568.65-68,612.70

Finding the Fourth Proportional to 226,422.30, 339,568.65 and 68,612.70

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Solution

The fourth proportional to 226,422.30, 339,568.65 and 68,612.70 is: 102,899.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,422.30 : 339,568.65 = 68,612.70 : x
  2. Step 2: Convert to fraction form
    226,422.30/339,568.65 = 68,612.70/x
  3. Step 3: Cross multiply
    226,422.30x = 339,568.65 × 68,612.70
  4. Step 4: Simplify right side
    226,422.30x = 23,298,721,911.86
  5. Step 5: Solve for x
    x = 23,298,721,911.86/226,422.30
  6. Step 6: Final answer
    x = 102,899.41

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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.