Home / 129,866.40-194,799.60-41,126.85

Finding the Fourth Proportional to 129,866.40, 194,799.60 and 41,126.85

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Solution

The fourth proportional to 129,866.40, 194,799.60 and 41,126.85 is: 61,690.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,866.40 : 194,799.60 = 41,126.85 : x
  2. Step 2: Convert to fraction form
    129,866.40/194,799.60 = 41,126.85/x
  3. Step 3: Cross multiply
    129,866.40x = 194,799.60 × 41,126.85
  4. Step 4: Simplify right side
    129,866.40x = 8,011,493,929.26
  5. Step 5: Solve for x
    x = 8,011,493,929.26/129,866.40
  6. Step 6: Final answer
    x = 61,690.28

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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.