Home / 133,220.58-199,973.10-57,356.66

Finding the Fourth Proportional to 133,220.58, 199,973.10 and 57,356.66

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Solution

The fourth proportional to 133,220.58, 199,973.10 and 57,356.66 is: 86,096.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,220.58 : 199,973.10 = 57,356.66 : x
  2. Step 2: Convert to fraction form
    133,220.58/199,973.10 = 57,356.66/x
  3. Step 3: Cross multiply
    133,220.58x = 199,973.10 × 57,356.66
  4. Step 4: Simplify right side
    133,220.58x = 11,469,789,105.85
  5. Step 5: Solve for x
    x = 11,469,789,105.85/133,220.58
  6. Step 6: Final answer
    x = 86,096.23

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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.