Home / 132,227.40-198,632.70-127,270.20

Finding the Fourth Proportional to 132,227.40, 198,632.70 and 127,270.20

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Solution

The fourth proportional to 132,227.40, 198,632.70 and 127,270.20 is: 191,185.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,227.40 : 198,632.70 = 127,270.20 : x
  2. Step 2: Convert to fraction form
    132,227.40/198,632.70 = 127,270.20/x
  3. Step 3: Cross multiply
    132,227.40x = 198,632.70 × 127,270.20
  4. Step 4: Simplify right side
    132,227.40x = 25,280,023,455.54
  5. Step 5: Solve for x
    x = 25,280,023,455.54/132,227.40
  6. Step 6: Final answer
    x = 191,185.97

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1.5x scale

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.