Finding the Fourth Proportional to 214,957.44, 322,375.68 and 74,712.96
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Solution
The fourth proportional to 214,957.44, 322,375.68 and 74,712.96 is: 112,048.42
Step by Step Solution
- Step 1: Write the proportion equation
214,957.44 : 322,375.68 = 74,712.96 : x - Step 2: Convert to fraction form
214,957.44/322,375.68 = 74,712.96/x - Step 3: Cross multiply
214,957.44x = 322,375.68 × 74,712.96 - Step 4: Simplify right side
214,957.44x = 24,085,641,284.81 - Step 5: Solve for x
x = 24,085,641,284.81/214,957.44 - Step 6: Final answer
x = 112,048.42
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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.