Home / 133,033.10-199,221.60-88,418.30

Finding the Fourth Proportional to 133,033.10, 199,221.60 and 88,418.30

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Solution

The fourth proportional to 133,033.10, 199,221.60 and 88,418.30 is: 132,409.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,033.10 : 199,221.60 = 88,418.30 : x
  2. Step 2: Convert to fraction form
    133,033.10/199,221.60 = 88,418.30/x
  3. Step 3: Cross multiply
    133,033.10x = 199,221.60 × 88,418.30
  4. Step 4: Simplify right side
    133,033.10x = 17,614,835,195.28
  5. Step 5: Solve for x
    x = 17,614,835,195.28/133,033.10
  6. Step 6: Final answer
    x = 132,409.42

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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.