Finding the Fourth Proportional to 293,894.01, 405,578.18 and 164,861.09
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Solution
The fourth proportional to 293,894.01, 405,578.18 and 164,861.09 is: 227,510.79
Step by Step Solution
- Step 1: Write the proportion equation
293,894.01 : 405,578.18 = 164,861.09 : x - Step 2: Convert to fraction form
293,894.01/405,578.18 = 164,861.09/x - Step 3: Cross multiply
293,894.01x = 405,578.18 × 164,861.09 - Step 4: Simplify right side
293,894.01x = 66,864,057,982.82 - Step 5: Solve for x
x = 66,864,057,982.82/293,894.01 - Step 6: Final answer
x = 227,510.79
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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.