Finding the Fourth Proportional to 203,852.67, 281,307.13 and 113,214.48
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Solution
The fourth proportional to 203,852.67, 281,307.13 and 113,214.48 is: 156,230.68
Step by Step Solution
- Step 1: Write the proportion equation
203,852.67 : 281,307.13 = 113,214.48 : x - Step 2: Convert to fraction form
203,852.67/281,307.13 = 113,214.48/x - Step 3: Cross multiply
203,852.67x = 281,307.13 × 113,214.48 - Step 4: Simplify right side
203,852.67x = 31,848,040,443.24 - Step 5: Solve for x
x = 31,848,040,443.24/203,852.67 - Step 6: Final answer
x = 156,230.68
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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.