Home / 132,205.98-198,266.91-43,439.02

Finding the Fourth Proportional to 132,205.98, 198,266.91 and 43,439.02

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Solution

The fourth proportional to 132,205.98, 198,266.91 and 43,439.02 is: 65,144.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,205.98 : 198,266.91 = 43,439.02 : x
  2. Step 2: Convert to fraction form
    132,205.98/198,266.91 = 43,439.02/x
  3. Step 3: Cross multiply
    132,205.98x = 198,266.91 × 43,439.02
  4. Step 4: Simplify right side
    132,205.98x = 8,612,520,268.83
  5. Step 5: Solve for x
    x = 8,612,520,268.83/132,205.98
  6. Step 6: Final answer
    x = 65,144.71

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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.