Home / 236,383.92-354,634.20-78,613.74

Finding the Fourth Proportional to 236,383.92, 354,634.20 and 78,613.74

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Solution

The fourth proportional to 236,383.92, 354,634.20 and 78,613.74 is: 117,940.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,383.92 : 354,634.20 = 78,613.74 : x
  2. Step 2: Convert to fraction form
    236,383.92/354,634.20 = 78,613.74/x
  3. Step 3: Cross multiply
    236,383.92x = 354,634.20 × 78,613.74
  4. Step 4: Simplify right side
    236,383.92x = 27,879,120,793.91
  5. Step 5: Solve for x
    x = 27,879,120,793.91/236,383.92
  6. Step 6: Final answer
    x = 117,940.01

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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.