Home / 132,092.80-198,139.20-107,209.60

Finding the Fourth Proportional to 132,092.80, 198,139.20 and 107,209.60

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Solution

The fourth proportional to 132,092.80, 198,139.20 and 107,209.60 is: 160,814.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,092.80 : 198,139.20 = 107,209.60 : x
  2. Step 2: Convert to fraction form
    132,092.80/198,139.20 = 107,209.60/x
  3. Step 3: Cross multiply
    132,092.80x = 198,139.20 × 107,209.60
  4. Step 4: Simplify right side
    132,092.80x = 21,242,424,376.32
  5. Step 5: Solve for x
    x = 21,242,424,376.32/132,092.80
  6. Step 6: Final answer
    x = 160,814.40

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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.