Finding the Fourth Proportional to 146,543.27, 202,233.96 and 82,879.70
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Solution
The fourth proportional to 146,543.27, 202,233.96 and 82,879.70 is: 114,376.39
Step by Step Solution
- Step 1: Write the proportion equation
146,543.27 : 202,233.96 = 82,879.70 : x - Step 2: Convert to fraction form
146,543.27/202,233.96 = 82,879.70/x - Step 3: Cross multiply
146,543.27x = 202,233.96 × 82,879.70 - Step 4: Simplify right side
146,543.27x = 16,761,088,923.44 - Step 5: Solve for x
x = 16,761,088,923.44/146,543.27 - Step 6: Final answer
x = 114,376.39
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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.