Home / 141,895.56-195,849.99-85,296

Finding the Fourth Proportional to 141,895.56, 195,849.99 and 85,296

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Solution

The fourth proportional to 141,895.56, 195,849.99 and 85,296 is: 117,728.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,895.56 : 195,849.99 = 85,296 : x
  2. Step 2: Convert to fraction form
    141,895.56/195,849.99 = 85,296/x
  3. Step 3: Cross multiply
    141,895.56x = 195,849.99 × 85,296
  4. Step 4: Simplify right side
    141,895.56x = 16,705,220,747.04
  5. Step 5: Solve for x
    x = 16,705,220,747.04/141,895.56
  6. Step 6: Final answer
    x = 117,728.99

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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.