Home / 218,457.23-327,813.21-92,089.73

Finding the Fourth Proportional to 218,457.23, 327,813.21 and 92,089.73

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Solution

The fourth proportional to 218,457.23, 327,813.21 and 92,089.73 is: 138,188.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,457.23 : 327,813.21 = 92,089.73 : x
  2. Step 2: Convert to fraction form
    218,457.23/327,813.21 = 92,089.73/x
  3. Step 3: Cross multiply
    218,457.23x = 327,813.21 × 92,089.73
  4. Step 4: Simplify right side
    218,457.23x = 30,188,229,999.33
  5. Step 5: Solve for x
    x = 30,188,229,999.33/218,457.23
  6. Step 6: Final answer
    x = 138,188.29

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1.5x scale

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.