Finding the Fourth Proportional to 198,634.26, 274,115.26 and 109,210.26
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Solution
The fourth proportional to 198,634.26, 274,115.26 and 109,210.26 is: 150,710.15
Step by Step Solution
- Step 1: Write the proportion equation
198,634.26 : 274,115.26 = 109,210.26 : x - Step 2: Convert to fraction form
198,634.26/274,115.26 = 109,210.26/x - Step 3: Cross multiply
198,634.26x = 274,115.26 × 109,210.26 - Step 4: Simplify right side
198,634.26x = 29,936,198,814.57 - Step 5: Solve for x
x = 29,936,198,814.57/198,634.26 - Step 6: Final answer
x = 150,710.15
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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.