Home / 236,612.43-354,969.68-68,131.62

Finding the Fourth Proportional to 236,612.43, 354,969.68 and 68,131.62

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Solution

The fourth proportional to 236,612.43, 354,969.68 and 68,131.62 is: 102,212.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,612.43 : 354,969.68 = 68,131.62 : x
  2. Step 2: Convert to fraction form
    236,612.43/354,969.68 = 68,131.62/x
  3. Step 3: Cross multiply
    236,612.43x = 354,969.68 × 68,131.62
  4. Step 4: Simplify right side
    236,612.43x = 24,184,659,008.62
  5. Step 5: Solve for x
    x = 24,184,659,008.62/236,612.43
  6. Step 6: Final answer
    x = 102,212.12

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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.