Home / 141,306.88-195,014.36-80,896.56

Finding the Fourth Proportional to 141,306.88, 195,014.36 and 80,896.56

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Solution

The fourth proportional to 141,306.88, 195,014.36 and 80,896.56 is: 111,643.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,306.88 : 195,014.36 = 80,896.56 : x
  2. Step 2: Convert to fraction form
    141,306.88/195,014.36 = 80,896.56/x
  3. Step 3: Cross multiply
    141,306.88x = 195,014.36 × 80,896.56
  4. Step 4: Simplify right side
    141,306.88x = 15,775,990,874.60
  5. Step 5: Solve for x
    x = 15,775,990,874.60/141,306.88
  6. Step 6: Final answer
    x = 111,643.47

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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.