Home / 236,920.45-355,328.39-68,404.12

Finding the Fourth Proportional to 236,920.45, 355,328.39 and 68,404.12

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Solution

The fourth proportional to 236,920.45, 355,328.39 and 68,404.12 is: 102,591.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,920.45 : 355,328.39 = 68,404.12 : x
  2. Step 2: Convert to fraction form
    236,920.45/355,328.39 = 68,404.12/x
  3. Step 3: Cross multiply
    236,920.45x = 355,328.39 × 68,404.12
  4. Step 4: Simplify right side
    236,920.45x = 24,305,925,828.97
  5. Step 5: Solve for x
    x = 24,305,925,828.97/236,920.45
  6. Step 6: Final answer
    x = 102,591.08

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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.