Finding the Fourth Proportional to 196,767.96, 271,515.06 and 110,716.26
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Solution
The fourth proportional to 196,767.96, 271,515.06 and 110,716.26 is: 152,774.53
Step by Step Solution
- Step 1: Write the proportion equation
196,767.96 : 271,515.06 = 110,716.26 : x - Step 2: Convert to fraction form
196,767.96/271,515.06 = 110,716.26/x - Step 3: Cross multiply
196,767.96x = 271,515.06 × 110,716.26 - Step 4: Simplify right side
196,767.96x = 30,061,131,976.88 - Step 5: Solve for x
x = 30,061,131,976.88/196,767.96 - Step 6: Final answer
x = 152,774.53
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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.