Finding the Fourth Proportional to 166,531.99, 229,808.46 and 94,935.09
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Solution
The fourth proportional to 166,531.99, 229,808.46 and 94,935.09 is: 131,007.18
Step by Step Solution
- Step 1: Write the proportion equation
166,531.99 : 229,808.46 = 94,935.09 : x - Step 2: Convert to fraction form
166,531.99/229,808.46 = 94,935.09/x - Step 3: Cross multiply
166,531.99x = 229,808.46 × 94,935.09 - Step 4: Simplify right side
166,531.99x = 21,816,886,832.86 - Step 5: Solve for x
x = 21,816,886,832.86/166,531.99 - Step 6: Final answer
x = 131,007.18
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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.