Finding the Fourth Proportional to 196,770.84, 271,578.60 and 116,193.12
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Solution
The fourth proportional to 196,770.84, 271,578.60 and 116,193.12 is: 160,367.08
Step by Step Solution
- Step 1: Write the proportion equation
196,770.84 : 271,578.60 = 116,193.12 : x - Step 2: Convert to fraction form
196,770.84/271,578.60 = 116,193.12/x - Step 3: Cross multiply
196,770.84x = 271,578.60 × 116,193.12 - Step 4: Simplify right side
196,770.84x = 31,555,564,859.23 - Step 5: Solve for x
x = 31,555,564,859.23/196,770.84 - Step 6: Final answer
x = 160,367.08
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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.