Home / 133,112.88-199,617.36-57,204.48

Finding the Fourth Proportional to 133,112.88, 199,617.36 and 57,204.48

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Solution

The fourth proportional to 133,112.88, 199,617.36 and 57,204.48 is: 85,784.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,112.88 : 199,617.36 = 57,204.48 : x
  2. Step 2: Convert to fraction form
    133,112.88/199,617.36 = 57,204.48/x
  3. Step 3: Cross multiply
    133,112.88x = 199,617.36 × 57,204.48
  4. Step 4: Simplify right side
    133,112.88x = 11,419,007,277.77
  5. Step 5: Solve for x
    x = 11,419,007,277.77/133,112.88
  6. Step 6: Final answer
    x = 85,784.39

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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.