Finding the Fourth Proportional to 141,096.44, 194,716.68 and 77,433.68
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Solution
The fourth proportional to 141,096.44, 194,716.68 and 77,433.68 is: 106,860.45
Step by Step Solution
- Step 1: Write the proportion equation
141,096.44 : 194,716.68 = 77,433.68 : x - Step 2: Convert to fraction form
141,096.44/194,716.68 = 77,433.68/x - Step 3: Cross multiply
141,096.44x = 194,716.68 × 77,433.68 - Step 4: Simplify right side
141,096.44x = 15,077,629,089.78 - Step 5: Solve for x
x = 15,077,629,089.78/141,096.44 - Step 6: Final answer
x = 106,860.45
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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.