Finding the Fourth Proportional to 186,916.44, 257,939.73 and 171,869.88
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Solution
The fourth proportional to 186,916.44, 257,939.73 and 171,869.88 is: 237,175.88
Step by Step Solution
- Step 1: Write the proportion equation
186,916.44 : 257,939.73 = 171,869.88 : x - Step 2: Convert to fraction form
186,916.44/257,939.73 = 171,869.88/x - Step 3: Cross multiply
186,916.44x = 257,939.73 × 171,869.88 - Step 4: Simplify right side
186,916.44x = 44,332,070,442.33 - Step 5: Solve for x
x = 44,332,070,442.33/186,916.44 - Step 6: Final answer
x = 237,175.88
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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.