Home / 141,546.88-195,342.96-81,136.24

Finding the Fourth Proportional to 141,546.88, 195,342.96 and 81,136.24

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Solution

The fourth proportional to 141,546.88, 195,342.96 and 81,136.24 is: 111,972.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,546.88 : 195,342.96 = 81,136.24 : x
  2. Step 2: Convert to fraction form
    141,546.88/195,342.96 = 81,136.24/x
  3. Step 3: Cross multiply
    141,546.88x = 195,342.96 × 81,136.24
  4. Step 4: Simplify right side
    141,546.88x = 15,849,393,284.87
  5. Step 5: Solve for x
    x = 15,849,393,284.87/141,546.88
  6. Step 6: Final answer
    x = 111,972.75

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1.5x scale

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.