Finding the Fourth Proportional to 167,933.23, 231,743.35 and 91,450.80
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Solution
The fourth proportional to 167,933.23, 231,743.35 and 91,450.80 is: 126,199.65
Step by Step Solution
- Step 1: Write the proportion equation
167,933.23 : 231,743.35 = 91,450.80 : x - Step 2: Convert to fraction form
167,933.23/231,743.35 = 91,450.80/x - Step 3: Cross multiply
167,933.23x = 231,743.35 × 91,450.80 - Step 4: Simplify right side
167,933.23x = 21,193,114,752.18 - Step 5: Solve for x
x = 21,193,114,752.18/167,933.23 - Step 6: Final answer
x = 126,199.65
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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.