Finding the Fourth Proportional to 273,916.48, 378,121.14 and 166,520.82
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Solution
The fourth proportional to 273,916.48, 378,121.14 and 166,520.82 is: 229,869.49
Step by Step Solution
- Step 1: Write the proportion equation
273,916.48 : 378,121.14 = 166,520.82 : x - Step 2: Convert to fraction form
273,916.48/378,121.14 = 166,520.82/x - Step 3: Cross multiply
273,916.48x = 378,121.14 × 166,520.82 - Step 4: Simplify right side
273,916.48x = 62,965,042,292.13 - Step 5: Solve for x
x = 62,965,042,292.13/273,916.48 - Step 6: Final answer
x = 229,869.49
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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.