Finding the Fourth Proportional to 168,463.24, 232,473.14 and 91,980.92
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Solution
The fourth proportional to 168,463.24, 232,473.14 and 91,980.92 is: 126,930.32
Step by Step Solution
- Step 1: Write the proportion equation
168,463.24 : 232,473.14 = 91,980.92 : x - Step 2: Convert to fraction form
168,463.24/232,473.14 = 91,980.92/x - Step 3: Cross multiply
168,463.24x = 232,473.14 × 91,980.92 - Step 4: Simplify right side
168,463.24x = 21,383,093,292.49 - Step 5: Solve for x
x = 21,383,093,292.49/168,463.24 - Step 6: Final answer
x = 126,930.32
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Double scale
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Similar ratio
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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.