Home / 141,077.44-194,686.76-80,649.42

Finding the Fourth Proportional to 141,077.44, 194,686.76 and 80,649.42

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Solution

The fourth proportional to 141,077.44, 194,686.76 and 80,649.42 is: 111,296.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,077.44 : 194,686.76 = 80,649.42 : x
  2. Step 2: Convert to fraction form
    141,077.44/194,686.76 = 80,649.42/x
  3. Step 3: Cross multiply
    141,077.44x = 194,686.76 × 80,649.42
  4. Step 4: Simplify right side
    141,077.44x = 15,701,374,275.68
  5. Step 5: Solve for x
    x = 15,701,374,275.68/141,077.44
  6. Step 6: Final answer
    x = 111,296.14

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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.