Home / 236,170.20-354,324.32-76,242.39

Finding the Fourth Proportional to 236,170.20, 354,324.32 and 76,242.39

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Solution

The fourth proportional to 236,170.20, 354,324.32 and 76,242.39 is: 114,385.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,170.20 : 354,324.32 = 76,242.39 : x
  2. Step 2: Convert to fraction form
    236,170.20/354,324.32 = 76,242.39/x
  3. Step 3: Cross multiply
    236,170.20x = 354,324.32 × 76,242.39
  4. Step 4: Simplify right side
    236,170.20x = 27,014,532,991.92
  5. Step 5: Solve for x
    x = 27,014,532,991.92/236,170.20
  6. Step 6: Final answer
    x = 114,385.87

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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.