Home / 197,270.12-271,912.88-154,173.50

Finding the Fourth Proportional to 197,270.12, 271,912.88 and 154,173.50

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Solution

The fourth proportional to 197,270.12, 271,912.88 and 154,173.50 is: 212,509.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,270.12 : 271,912.88 = 154,173.50 : x
  2. Step 2: Convert to fraction form
    197,270.12/271,912.88 = 154,173.50/x
  3. Step 3: Cross multiply
    197,270.12x = 271,912.88 × 154,173.50
  4. Step 4: Simplify right side
    197,270.12x = 41,921,760,404.68
  5. Step 5: Solve for x
    x = 41,921,760,404.68/197,270.12
  6. Step 6: Final answer
    x = 212,509.43

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1.5x scale

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.