Home / 141,491.11-195,249.01-81,047.89

Finding the Fourth Proportional to 141,491.11, 195,249.01 and 81,047.89

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Solution

The fourth proportional to 141,491.11, 195,249.01 and 81,047.89 is: 111,841.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,491.11 : 195,249.01 = 81,047.89 : x
  2. Step 2: Convert to fraction form
    141,491.11/195,249.01 = 81,047.89/x
  3. Step 3: Cross multiply
    141,491.11x = 195,249.01 × 81,047.89
  4. Step 4: Simplify right side
    141,491.11x = 15,824,520,285.09
  5. Step 5: Solve for x
    x = 15,824,520,285.09/141,491.11
  6. Step 6: Final answer
    x = 111,841.09

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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.