Finding the Fourth Proportional to 203,950.14, 281,449.29 and 113,306.28
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Solution
The fourth proportional to 203,950.14, 281,449.29 and 113,306.28 is: 156,361.61
Step by Step Solution
- Step 1: Write the proportion equation
203,950.14 : 281,449.29 = 113,306.28 : x - Step 2: Convert to fraction form
203,950.14/281,449.29 = 113,306.28/x - Step 3: Cross multiply
203,950.14x = 281,449.29 × 113,306.28 - Step 4: Simplify right side
203,950.14x = 31,889,972,058.54 - Step 5: Solve for x
x = 31,889,972,058.54/203,950.14 - Step 6: Final answer
x = 156,361.61
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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.