Home / 129,437.25-194,164.22-40,694.19

Finding the Fourth Proportional to 129,437.25, 194,164.22 and 40,694.19

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Solution

The fourth proportional to 129,437.25, 194,164.22 and 40,694.19 is: 61,043.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,437.25 : 194,164.22 = 40,694.19 : x
  2. Step 2: Convert to fraction form
    129,437.25/194,164.22 = 40,694.19/x
  3. Step 3: Cross multiply
    129,437.25x = 194,164.22 × 40,694.19
  4. Step 4: Simplify right side
    129,437.25x = 7,901,355,659.88
  5. Step 5: Solve for x
    x = 7,901,355,659.88/129,437.25
  6. Step 6: Final answer
    x = 61,043.91

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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.