Home / 218,050.39-327,202.49-91,681.48

Finding the Fourth Proportional to 218,050.39, 327,202.49 and 91,681.48

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Solution

The fourth proportional to 218,050.39, 327,202.49 and 91,681.48 is: 137,575.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,050.39 : 327,202.49 = 91,681.48 : x
  2. Step 2: Convert to fraction form
    218,050.39/327,202.49 = 91,681.48/x
  3. Step 3: Cross multiply
    218,050.39x = 327,202.49 × 91,681.48
  4. Step 4: Simplify right side
    218,050.39x = 29,998,408,542.89
  5. Step 5: Solve for x
    x = 29,998,408,542.89/218,050.39
  6. Step 6: Final answer
    x = 137,575.58

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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.