Home / 132,004.20-198,006.30-127,338.60

Finding the Fourth Proportional to 132,004.20, 198,006.30 and 127,338.60

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Solution

The fourth proportional to 132,004.20, 198,006.30 and 127,338.60 is: 191,007.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,004.20 : 198,006.30 = 127,338.60 : x
  2. Step 2: Convert to fraction form
    132,004.20/198,006.30 = 127,338.60/x
  3. Step 3: Cross multiply
    132,004.20x = 198,006.30 × 127,338.60
  4. Step 4: Simplify right side
    132,004.20x = 25,213,845,033.18
  5. Step 5: Solve for x
    x = 25,213,845,033.18/132,004.20
  6. Step 6: Final answer
    x = 191,007.90

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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.