Home / 141,942.75-195,883.83-91,729.23

Finding the Fourth Proportional to 141,942.75, 195,883.83 and 91,729.23

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Solution

The fourth proportional to 141,942.75, 195,883.83 and 91,729.23 is: 126,588.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,942.75 : 195,883.83 = 91,729.23 : x
  2. Step 2: Convert to fraction form
    141,942.75/195,883.83 = 91,729.23/x
  3. Step 3: Cross multiply
    141,942.75x = 195,883.83 × 91,729.23
  4. Step 4: Simplify right side
    141,942.75x = 17,968,272,895.35
  5. Step 5: Solve for x
    x = 17,968,272,895.35/141,942.75
  6. Step 6: Final answer
    x = 126,588.17

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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.