Home / 141,566.44-195,369.76-81,147.14

Finding the Fourth Proportional to 141,566.44, 195,369.76 and 81,147.14

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Solution

The fourth proportional to 141,566.44, 195,369.76 and 81,147.14 is: 111,987.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,566.44 : 195,369.76 = 81,147.14 : x
  2. Step 2: Convert to fraction form
    141,566.44/195,369.76 = 81,147.14/x
  3. Step 3: Cross multiply
    141,566.44x = 195,369.76 × 81,147.14
  4. Step 4: Simplify right side
    141,566.44x = 15,853,697,266.49
  5. Step 5: Solve for x
    x = 15,853,697,266.49/141,566.44
  6. Step 6: Final answer
    x = 111,987.68

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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.