Finding the Fourth Proportional to 207,194.16, 285,953.23 and 116,553.94
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Solution
The fourth proportional to 207,194.16, 285,953.23 and 116,553.94 is: 160,858.66
Step by Step Solution
- Step 1: Write the proportion equation
207,194.16 : 285,953.23 = 116,553.94 : x - Step 2: Convert to fraction form
207,194.16/285,953.23 = 116,553.94/x - Step 3: Cross multiply
207,194.16x = 285,953.23 × 116,553.94 - Step 4: Simplify right side
207,194.16x = 33,328,975,612.23 - Step 5: Solve for x
x = 33,328,975,612.23/207,194.16 - Step 6: Final answer
x = 160,858.66
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1.5x scale
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.