Home / 141,823.80-195,661.98-81,372.60

Finding the Fourth Proportional to 141,823.80, 195,661.98 and 81,372.60

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Solution

The fourth proportional to 141,823.80, 195,661.98 and 81,372.60 is: 112,262.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,823.80 : 195,661.98 = 81,372.60 : x
  2. Step 2: Convert to fraction form
    141,823.80/195,661.98 = 81,372.60/x
  3. Step 3: Cross multiply
    141,823.80x = 195,661.98 × 81,372.60
  4. Step 4: Simplify right side
    141,823.80x = 15,921,524,033.75
  5. Step 5: Solve for x
    x = 15,921,524,033.75/141,823.80
  6. Step 6: Final answer
    x = 112,262.71

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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.