Home / 132,026.40-198,331.20-127,069.20

Finding the Fourth Proportional to 132,026.40, 198,331.20 and 127,069.20

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Solution

The fourth proportional to 132,026.40, 198,331.20 and 127,069.20 is: 190,884.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,026.40 : 198,331.20 = 127,069.20 : x
  2. Step 2: Convert to fraction form
    132,026.40/198,331.20 = 127,069.20/x
  3. Step 3: Cross multiply
    132,026.40x = 198,331.20 × 127,069.20
  4. Step 4: Simplify right side
    132,026.40x = 25,201,786,919.04
  5. Step 5: Solve for x
    x = 25,201,786,919.04/132,026.40
  6. Step 6: Final answer
    x = 190,884.45

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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.