Home / 195,817.71-269,899.52-149,861.55

Finding the Fourth Proportional to 195,817.71, 269,899.52 and 149,861.55

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Solution

The fourth proportional to 195,817.71, 269,899.52 and 149,861.55 is: 206,557.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,817.71 : 269,899.52 = 149,861.55 : x
  2. Step 2: Convert to fraction form
    195,817.71/269,899.52 = 149,861.55/x
  3. Step 3: Cross multiply
    195,817.71x = 269,899.52 × 149,861.55
  4. Step 4: Simplify right side
    195,817.71x = 40,447,559,662.15
  5. Step 5: Solve for x
    x = 40,447,559,662.15/195,817.71
  6. Step 6: Final answer
    x = 206,557.21

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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.