Finding the Fourth Proportional to 204,220.13, 281,528.33 and 135,193.92
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Solution
The fourth proportional to 204,220.13, 281,528.33 and 135,193.92 is: 186,372.03
Step by Step Solution
- Step 1: Write the proportion equation
204,220.13 : 281,528.33 = 135,193.92 : x - Step 2: Convert to fraction form
204,220.13/281,528.33 = 135,193.92/x - Step 3: Cross multiply
204,220.13x = 281,528.33 × 135,193.92 - Step 4: Simplify right side
204,220.13x = 38,060,918,861.74 - Step 5: Solve for x
x = 38,060,918,861.74/204,220.13 - Step 6: Final answer
x = 186,372.03
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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.