Home / 197,182.76-271,793.43-154,087.36

Finding the Fourth Proportional to 197,182.76, 271,793.43 and 154,087.36

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Solution

The fourth proportional to 197,182.76, 271,793.43 and 154,087.36 is: 212,391.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,182.76 : 271,793.43 = 154,087.36 : x
  2. Step 2: Convert to fraction form
    197,182.76/271,793.43 = 154,087.36/x
  3. Step 3: Cross multiply
    197,182.76x = 271,793.43 × 154,087.36
  4. Step 4: Simplify right side
    197,182.76x = 41,879,931,414.56
  5. Step 5: Solve for x
    x = 41,879,931,414.56/197,182.76
  6. Step 6: Final answer
    x = 212,391.45

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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.