Finding the Fourth Proportional to 191,620.43, 285,168.78 and 185,234.99
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Solution
The fourth proportional to 191,620.43, 285,168.78 and 185,234.99 is: 275,665.99
Step by Step Solution
- Step 1: Write the proportion equation
191,620.43 : 285,168.78 = 185,234.99 : x - Step 2: Convert to fraction form
191,620.43/285,168.78 = 185,234.99/x - Step 3: Cross multiply
191,620.43x = 285,168.78 × 185,234.99 - Step 4: Simplify right side
191,620.43x = 52,823,234,685.77 - Step 5: Solve for x
x = 52,823,234,685.77/191,620.43 - Step 6: Final answer
x = 275,665.99
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.