Home / 220,657.92-331,194.20-115,552.32

Finding the Fourth Proportional to 220,657.92, 331,194.20 and 115,552.32

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Solution

The fourth proportional to 220,657.92, 331,194.20 and 115,552.32 is: 173,437.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,657.92 : 331,194.20 = 115,552.32 : x
  2. Step 2: Convert to fraction form
    220,657.92/331,194.20 = 115,552.32/x
  3. Step 3: Cross multiply
    220,657.92x = 331,194.20 × 115,552.32
  4. Step 4: Simplify right side
    220,657.92x = 38,270,258,180.54
  5. Step 5: Solve for x
    x = 38,270,258,180.54/220,657.92
  6. Step 6: Final answer
    x = 173,437.05

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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.