Finding the Fourth Proportional to 166,625.44, 229,943.26 and 91,173.94
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Solution
The fourth proportional to 166,625.44, 229,943.26 and 91,173.94 is: 125,820.12
Step by Step Solution
- Step 1: Write the proportion equation
166,625.44 : 229,943.26 = 91,173.94 : x - Step 2: Convert to fraction form
166,625.44/229,943.26 = 91,173.94/x - Step 3: Cross multiply
166,625.44x = 229,943.26 × 91,173.94 - Step 4: Simplify right side
166,625.44x = 20,964,832,016.90 - Step 5: Solve for x
x = 20,964,832,016.90/166,625.44 - Step 6: Final answer
x = 125,820.12
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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.