Home / 132,116.99-198,196.16-43,350.30

Finding the Fourth Proportional to 132,116.99, 198,196.16 and 43,350.30

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Solution

The fourth proportional to 132,116.99, 198,196.16 and 43,350.30 is: 65,032.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,116.99 : 198,196.16 = 43,350.30 : x
  2. Step 2: Convert to fraction form
    132,116.99/198,196.16 = 43,350.30/x
  3. Step 3: Cross multiply
    132,116.99x = 198,196.16 × 43,350.30
  4. Step 4: Simplify right side
    132,116.99x = 8,591,862,778.10
  5. Step 5: Solve for x
    x = 8,591,862,778.10/132,116.99
  6. Step 6: Final answer
    x = 65,032.23

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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.