Finding the Fourth Proportional to 194,748.24, 268,765.11 and 109,863.48
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Solution
The fourth proportional to 194,748.24, 268,765.11 and 109,863.48 is: 151,618.68
Step by Step Solution
- Step 1: Write the proportion equation
194,748.24 : 268,765.11 = 109,863.48 : x - Step 2: Convert to fraction form
194,748.24/268,765.11 = 109,863.48/x - Step 3: Cross multiply
194,748.24x = 268,765.11 × 109,863.48 - Step 4: Simplify right side
194,748.24x = 29,527,470,287.18 - Step 5: Solve for x
x = 29,527,470,287.18/194,748.24 - Step 6: Final answer
x = 151,618.68
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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.