Finding the Fourth Proportional to 248,527.63, 342,977.84 and 141,107.66
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Solution
The fourth proportional to 248,527.63, 342,977.84 and 141,107.66 is: 194,734.08
Step by Step Solution
- Step 1: Write the proportion equation
248,527.63 : 342,977.84 = 141,107.66 : x - Step 2: Convert to fraction form
248,527.63/342,977.84 = 141,107.66/x - Step 3: Cross multiply
248,527.63x = 342,977.84 × 141,107.66 - Step 4: Simplify right side
248,527.63x = 48,396,800,434.25 - Step 5: Solve for x
x = 48,396,800,434.25/248,527.63 - Step 6: Final answer
x = 194,734.08
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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.