Home / 218,438.93-327,776.11-92,166.69

Finding the Fourth Proportional to 218,438.93, 327,776.11 and 92,166.69

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Solution

The fourth proportional to 218,438.93, 327,776.11 and 92,166.69 is: 138,299.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,438.93 : 327,776.11 = 92,166.69 : x
  2. Step 2: Convert to fraction form
    218,438.93/327,776.11 = 92,166.69/x
  3. Step 3: Cross multiply
    218,438.93x = 327,776.11 × 92,166.69
  4. Step 4: Simplify right side
    218,438.93x = 30,210,040,118.52
  5. Step 5: Solve for x
    x = 30,210,040,118.52/218,438.93
  6. Step 6: Final answer
    x = 138,299.71

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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.