Home / 218,101.36-327,175.50-91,754.47

Finding the Fourth Proportional to 218,101.36, 327,175.50 and 91,754.47

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Solution

The fourth proportional to 218,101.36, 327,175.50 and 91,754.47 is: 137,641.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,101.36 : 327,175.50 = 91,754.47 : x
  2. Step 2: Convert to fraction form
    218,101.36/327,175.50 = 91,754.47/x
  3. Step 3: Cross multiply
    218,101.36x = 327,175.50 × 91,754.47
  4. Step 4: Simplify right side
    218,101.36x = 30,019,815,352.53
  5. Step 5: Solve for x
    x = 30,019,815,352.53/218,101.36
  6. Step 6: Final answer
    x = 137,641.58

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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.