Finding the Fourth Proportional to 190,754.62, 263,223.36 and 114,272.44
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Solution
The fourth proportional to 190,754.62, 263,223.36 and 114,272.44 is: 157,685.17
Step by Step Solution
- Step 1: Write the proportion equation
190,754.62 : 263,223.36 = 114,272.44 : x - Step 2: Convert to fraction form
190,754.62/263,223.36 = 114,272.44/x - Step 3: Cross multiply
190,754.62x = 263,223.36 × 114,272.44 - Step 4: Simplify right side
190,754.62x = 30,079,175,612.20 - Step 5: Solve for x
x = 30,079,175,612.20/190,754.62 - Step 6: Final answer
x = 157,685.17
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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.