Home / 133,201.22-199,801.82-54,321.58

Finding the Fourth Proportional to 133,201.22, 199,801.82 and 54,321.58

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Solution

The fourth proportional to 133,201.22, 199,801.82 and 54,321.58 is: 81,482.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,201.22 : 199,801.82 = 54,321.58 : x
  2. Step 2: Convert to fraction form
    133,201.22/199,801.82 = 54,321.58/x
  3. Step 3: Cross multiply
    133,201.22x = 199,801.82 × 54,321.58
  4. Step 4: Simplify right side
    133,201.22x = 10,853,550,549.28
  5. Step 5: Solve for x
    x = 10,853,550,549.28/133,201.22
  6. Step 6: Final answer
    x = 81,482.37

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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.