Home / 107,198.98-160,765.56-74,131.54

Finding the Fourth Proportional to 107,198.98, 160,765.56 and 74,131.54

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Solution

The fourth proportional to 107,198.98, 160,765.56 and 74,131.54 is: 111,174.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,198.98 : 160,765.56 = 74,131.54 : x
  2. Step 2: Convert to fraction form
    107,198.98/160,765.56 = 74,131.54/x
  3. Step 3: Cross multiply
    107,198.98x = 160,765.56 × 74,131.54
  4. Step 4: Simplify right side
    107,198.98x = 11,917,798,541.76
  5. Step 5: Solve for x
    x = 11,917,798,541.76/107,198.98
  6. Step 6: Final answer
    x = 111,174.55

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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.