Home / 141,208.88-194,819.53-90,251.43

Finding the Fourth Proportional to 141,208.88, 194,819.53 and 90,251.43

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Solution

The fourth proportional to 141,208.88, 194,819.53 and 90,251.43 is: 124,515.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,208.88 : 194,819.53 = 90,251.43 : x
  2. Step 2: Convert to fraction form
    141,208.88/194,819.53 = 90,251.43/x
  3. Step 3: Cross multiply
    141,208.88x = 194,819.53 × 90,251.43
  4. Step 4: Simplify right side
    141,208.88x = 17,582,740,948.80
  5. Step 5: Solve for x
    x = 17,582,740,948.80/141,208.88
  6. Step 6: Final answer
    x = 124,515.83

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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.