Finding the Fourth Proportional to 194,736.09, 268,737.84 and 108,703.20
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Solution
The fourth proportional to 194,736.09, 268,737.84 and 108,703.20 is: 150,011.55
Step by Step Solution
- Step 1: Write the proportion equation
194,736.09 : 268,737.84 = 108,703.20 : x - Step 2: Convert to fraction form
194,736.09/268,737.84 = 108,703.20/x - Step 3: Cross multiply
194,736.09x = 268,737.84 × 108,703.20 - Step 4: Simplify right side
194,736.09x = 29,212,663,169.09 - Step 5: Solve for x
x = 29,212,663,169.09/194,736.09 - Step 6: Final answer
x = 150,011.55
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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.