Finding the Fourth Proportional to 192,535.14, 265,617.12 and 128,893.44
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Solution
The fourth proportional to 192,535.14, 265,617.12 and 128,893.44 is: 177,818.47
Step by Step Solution
- Step 1: Write the proportion equation
192,535.14 : 265,617.12 = 128,893.44 : x - Step 2: Convert to fraction form
192,535.14/265,617.12 = 128,893.44/x - Step 3: Cross multiply
192,535.14x = 265,617.12 × 128,893.44 - Step 4: Simplify right side
192,535.14x = 34,236,304,319.69 - Step 5: Solve for x
x = 34,236,304,319.69/192,535.14 - Step 6: Final answer
x = 177,818.47
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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.