Finding the Fourth Proportional to 288,224.22, 397,745.73 and 160,901.94
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Solution
The fourth proportional to 288,224.22, 397,745.73 and 160,901.94 is: 222,042.62
Step by Step Solution
- Step 1: Write the proportion equation
288,224.22 : 397,745.73 = 160,901.94 : x - Step 2: Convert to fraction form
288,224.22/397,745.73 = 160,901.94/x - Step 3: Cross multiply
288,224.22x = 397,745.73 × 160,901.94 - Step 4: Simplify right side
288,224.22x = 63,998,059,583.72 - Step 5: Solve for x
x = 63,998,059,583.72/288,224.22 - Step 6: Final answer
x = 222,042.62
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1.5x scale
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.