Home / 133,107.56-199,708.86-57,174.20

Finding the Fourth Proportional to 133,107.56, 199,708.86 and 57,174.20

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Solution

The fourth proportional to 133,107.56, 199,708.86 and 57,174.20 is: 85,781.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,107.56 : 199,708.86 = 57,174.20 : x
  2. Step 2: Convert to fraction form
    133,107.56/199,708.86 = 57,174.20/x
  3. Step 3: Cross multiply
    133,107.56x = 199,708.86 × 57,174.20
  4. Step 4: Simplify right side
    133,107.56x = 11,418,194,303.41
  5. Step 5: Solve for x
    x = 11,418,194,303.41/133,107.56
  6. Step 6: Final answer
    x = 85,781.71

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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.