Finding the Fourth Proportional to 181,694.68, 250,736.68 and 101,120.84
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Solution
The fourth proportional to 181,694.68, 250,736.68 and 101,120.84 is: 139,545.66
Step by Step Solution
- Step 1: Write the proportion equation
181,694.68 : 250,736.68 = 101,120.84 : x - Step 2: Convert to fraction form
181,694.68/250,736.68 = 101,120.84/x - Step 3: Cross multiply
181,694.68x = 250,736.68 × 101,120.84 - Step 4: Simplify right side
181,694.68x = 25,354,703,700.41 - Step 5: Solve for x
x = 25,354,703,700.41/181,694.68 - Step 6: Final answer
x = 139,545.66
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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.