Home / 118,327.29-177,208.11-68,255.61

Finding the Fourth Proportional to 118,327.29, 177,208.11 and 68,255.61

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Solution

The fourth proportional to 118,327.29, 177,208.11 and 68,255.61 is: 102,220.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,327.29 : 177,208.11 = 68,255.61 : x
  2. Step 2: Convert to fraction form
    118,327.29/177,208.11 = 68,255.61/x
  3. Step 3: Cross multiply
    118,327.29x = 177,208.11 × 68,255.61
  4. Step 4: Simplify right side
    118,327.29x = 12,095,447,645.00
  5. Step 5: Solve for x
    x = 12,095,447,645.00/118,327.29
  6. Step 6: Final answer
    x = 102,220.27

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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.