Home / 197,088.48-271,982.35-112,205.54

Finding the Fourth Proportional to 197,088.48, 271,982.35 and 112,205.54

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Solution

The fourth proportional to 197,088.48, 271,982.35 and 112,205.54 is: 154,843.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,088.48 : 271,982.35 = 112,205.54 : x
  2. Step 2: Convert to fraction form
    197,088.48/271,982.35 = 112,205.54/x
  3. Step 3: Cross multiply
    197,088.48x = 271,982.35 × 112,205.54
  4. Step 4: Simplify right side
    197,088.48x = 30,517,925,092.31
  5. Step 5: Solve for x
    x = 30,517,925,092.31/197,088.48
  6. Step 6: Final answer
    x = 154,843.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.