Finding the Fourth Proportional to 204,021.67, 281,546.19 and 113,375.99
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Solution
The fourth proportional to 204,021.67, 281,546.19 and 113,375.99 is: 156,456.80
Step by Step Solution
- Step 1: Write the proportion equation
204,021.67 : 281,546.19 = 113,375.99 : x - Step 2: Convert to fraction form
204,021.67/281,546.19 = 113,375.99/x - Step 3: Cross multiply
204,021.67x = 281,546.19 × 113,375.99 - Step 4: Simplify right side
204,021.67x = 31,920,578,021.98 - Step 5: Solve for x
x = 31,920,578,021.98/204,021.67 - Step 6: Final answer
x = 156,456.80
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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.