Finding the Fourth Proportional to 166,474.13, 229,735.19 and 91,022.63
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Solution
The fourth proportional to 166,474.13, 229,735.19 and 91,022.63 is: 125,611.71
Step by Step Solution
- Step 1: Write the proportion equation
166,474.13 : 229,735.19 = 91,022.63 : x - Step 2: Convert to fraction form
166,474.13/229,735.19 = 91,022.63/x - Step 3: Cross multiply
166,474.13x = 229,735.19 × 91,022.63 - Step 4: Simplify right side
166,474.13x = 20,911,100,742.24 - Step 5: Solve for x
x = 20,911,100,742.24/166,474.13 - Step 6: Final answer
x = 125,611.71
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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.