Finding the Fourth Proportional to 281,684.29, 422,231.19 and 104,078.02
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Solution
The fourth proportional to 281,684.29, 422,231.19 and 104,078.02 is: 156,007.94
Step by Step Solution
- Step 1: Write the proportion equation
281,684.29 : 422,231.19 = 104,078.02 : x - Step 2: Convert to fraction form
281,684.29/422,231.19 = 104,078.02/x - Step 3: Cross multiply
281,684.29x = 422,231.19 × 104,078.02 - Step 4: Simplify right side
281,684.29x = 43,944,986,237.44 - Step 5: Solve for x
x = 43,944,986,237.44/281,684.29 - Step 6: Final answer
x = 156,007.94
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.