Finding the Fourth Proportional to 96,190.83, 132,739.20 and 53,168.09
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Solution
The fourth proportional to 96,190.83, 132,739.20 and 53,168.09 is: 73,369.67
Step by Step Solution
- Step 1: Write the proportion equation
96,190.83 : 132,739.20 = 53,168.09 : x - Step 2: Convert to fraction form
96,190.83/132,739.20 = 53,168.09/x - Step 3: Cross multiply
96,190.83x = 132,739.20 × 53,168.09 - Step 4: Simplify right side
96,190.83x = 7,057,489,732.13 - Step 5: Solve for x
x = 7,057,489,732.13/96,190.83 - Step 6: Final answer
x = 73,369.67
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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.