Finding the Fourth Proportional to 197,992.44, 273,244.05 and 113,107.68
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Solution
The fourth proportional to 197,992.44, 273,244.05 and 113,107.68 is: 156,096.87
Step by Step Solution
- Step 1: Write the proportion equation
197,992.44 : 273,244.05 = 113,107.68 : x - Step 2: Convert to fraction form
197,992.44/273,244.05 = 113,107.68/x - Step 3: Cross multiply
197,992.44x = 273,244.05 × 113,107.68 - Step 4: Simplify right side
197,992.44x = 30,906,000,569.30 - Step 5: Solve for x
x = 30,906,000,569.30/197,992.44 - Step 6: Final answer
x = 156,096.87
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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.