Finding the Fourth Proportional to 194.98, 268.99 and 132.75
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Solution
The fourth proportional to 194.98, 268.99 and 132.75 is: 183.14
Step by Step Solution
- Step 1: Write the proportion equation
194.98 : 268.99 = 132.75 : x - Step 2: Convert to fraction form
194.98/268.99 = 132.75/x - Step 3: Cross multiply
194.98x = 268.99 × 132.75 - Step 4: Simplify right side
194.98x = 35,708.42 - Step 5: Solve for x
x = 35,708.42/194.98 - Step 6: Final answer
x = 183.14
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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.