Finding the Fourth Proportional to 167,958.49, 231,782.71 and 92,506.99
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Solution
The fourth proportional to 167,958.49, 231,782.71 and 92,506.99 is: 127,659.64
Step by Step Solution
- Step 1: Write the proportion equation
167,958.49 : 231,782.71 = 92,506.99 : x - Step 2: Convert to fraction form
167,958.49/231,782.71 = 92,506.99/x - Step 3: Cross multiply
167,958.49x = 231,782.71 × 92,506.99 - Step 4: Simplify right side
167,958.49x = 21,441,520,836.14 - Step 5: Solve for x
x = 21,441,520,836.14/167,958.49 - Step 6: Final answer
x = 127,659.64
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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.