Home / 141,191.86-194,846.13-77,531.02

Finding the Fourth Proportional to 141,191.86, 194,846.13 and 77,531.02

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Solution

The fourth proportional to 141,191.86, 194,846.13 and 77,531.02 is: 106,993.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,191.86 : 194,846.13 = 77,531.02 : x
  2. Step 2: Convert to fraction form
    141,191.86/194,846.13 = 77,531.02/x
  3. Step 3: Cross multiply
    141,191.86x = 194,846.13 × 77,531.02
  4. Step 4: Simplify right side
    141,191.86x = 15,106,620,028.90
  5. Step 5: Solve for x
    x = 15,106,620,028.90/141,191.86
  6. Step 6: Final answer
    x = 106,993.56

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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.