Home / 195,817.96-269,899.86-149,861.80

Finding the Fourth Proportional to 195,817.96, 269,899.86 and 149,861.80

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Solution

The fourth proportional to 195,817.96, 269,899.86 and 149,861.80 is: 206,557.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,817.96 : 269,899.86 = 149,861.80 : x
  2. Step 2: Convert to fraction form
    195,817.96/269,899.86 = 149,861.80/x
  3. Step 3: Cross multiply
    195,817.96x = 269,899.86 × 149,861.80
  4. Step 4: Simplify right side
    195,817.96x = 40,447,678,839.35
  5. Step 5: Solve for x
    x = 40,447,678,839.35/195,817.96
  6. Step 6: Final answer
    x = 206,557.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.