Home / 141,419.22-212,093.94-84,509.43

Finding the Fourth Proportional to 141,419.22, 212,093.94 and 84,509.43

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Solution

The fourth proportional to 141,419.22, 212,093.94 and 84,509.43 is: 126,743.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,419.22 : 212,093.94 = 84,509.43 : x
  2. Step 2: Convert to fraction form
    141,419.22/212,093.94 = 84,509.43/x
  3. Step 3: Cross multiply
    141,419.22x = 212,093.94 × 84,509.43
  4. Step 4: Simplify right side
    141,419.22x = 17,923,937,497.41
  5. Step 5: Solve for x
    x = 17,923,937,497.41/141,419.22
  6. Step 6: Final answer
    x = 126,743.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.