Finding the Fourth Proportional to 255,333.25, 352,370.82 and 142,156
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Solution
The fourth proportional to 255,333.25, 352,370.82 and 142,156 is: 196,181.37
Step by Step Solution
- Step 1: Write the proportion equation
255,333.25 : 352,370.82 = 142,156 : x - Step 2: Convert to fraction form
255,333.25/352,370.82 = 142,156/x - Step 3: Cross multiply
255,333.25x = 352,370.82 × 142,156 - Step 4: Simplify right side
255,333.25x = 50,091,626,287.92 - Step 5: Solve for x
x = 50,091,626,287.92/255,333.25 - Step 6: Final answer
x = 196,181.37
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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.