Home / 129,845.40-194,748.56-41,087.36

Finding the Fourth Proportional to 129,845.40, 194,748.56 and 41,087.36

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Solution

The fourth proportional to 129,845.40, 194,748.56 and 41,087.36 is: 61,624.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,845.40 : 194,748.56 = 41,087.36 : x
  2. Step 2: Convert to fraction form
    129,845.40/194,748.56 = 41,087.36/x
  3. Step 3: Cross multiply
    129,845.40x = 194,748.56 × 41,087.36
  4. Step 4: Simplify right side
    129,845.40x = 8,001,704,194.20
  5. Step 5: Solve for x
    x = 8,001,704,194.20/129,845.40
  6. Step 6: Final answer
    x = 61,624.86

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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.