Finding the Fourth Proportional to 194,793.22, 268,818.84 and 107,578.05
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Solution
The fourth proportional to 194,793.22, 268,818.84 and 107,578.05 is: 148,460.03
Step by Step Solution
- Step 1: Write the proportion equation
194,793.22 : 268,818.84 = 107,578.05 : x - Step 2: Convert to fraction form
194,793.22/268,818.84 = 107,578.05/x - Step 3: Cross multiply
194,793.22x = 268,818.84 × 107,578.05 - Step 4: Simplify right side
194,793.22x = 28,919,006,610.46 - Step 5: Solve for x
x = 28,919,006,610.46/194,793.22 - Step 6: Final answer
x = 148,460.03
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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.