Home / 228,105.72-342,207.48-68,194.17

Finding the Fourth Proportional to 228,105.72, 342,207.48 and 68,194.17

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Solution

The fourth proportional to 228,105.72, 342,207.48 and 68,194.17 is: 102,305.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,105.72 : 342,207.48 = 68,194.17 : x
  2. Step 2: Convert to fraction form
    228,105.72/342,207.48 = 68,194.17/x
  3. Step 3: Cross multiply
    228,105.72x = 342,207.48 × 68,194.17
  4. Step 4: Simplify right side
    228,105.72x = 23,336,555,322.12
  5. Step 5: Solve for x
    x = 23,336,555,322.12/228,105.72
  6. Step 6: Final answer
    x = 102,305.88

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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.