Home / 132,025.80-198,087.30-43,282.20

Finding the Fourth Proportional to 132,025.80, 198,087.30 and 43,282.20

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Solution

The fourth proportional to 132,025.80, 198,087.30 and 43,282.20 is: 64,939.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,025.80 : 198,087.30 = 43,282.20 : x
  2. Step 2: Convert to fraction form
    132,025.80/198,087.30 = 43,282.20/x
  3. Step 3: Cross multiply
    132,025.80x = 198,087.30 × 43,282.20
  4. Step 4: Simplify right side
    132,025.80x = 8,573,654,136.06
  5. Step 5: Solve for x
    x = 8,573,654,136.06/132,025.80
  6. Step 6: Final answer
    x = 64,939.23

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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.