Home / 141,160.20-194,801.21-76,629.39

Finding the Fourth Proportional to 141,160.20, 194,801.21 and 76,629.39

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Solution

The fourth proportional to 141,160.20, 194,801.21 and 76,629.39 is: 105,748.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,160.20 : 194,801.21 = 76,629.39 : x
  2. Step 2: Convert to fraction form
    141,160.20/194,801.21 = 76,629.39/x
  3. Step 3: Cross multiply
    141,160.20x = 194,801.21 × 76,629.39
  4. Step 4: Simplify right side
    141,160.20x = 14,927,497,893.56
  5. Step 5: Solve for x
    x = 14,927,497,893.56/141,160.20
  6. Step 6: Final answer
    x = 105,748.63

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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.