Finding the Fourth Proportional to 107,837.10, 160,957.26 and 101,188.62
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Solution
The fourth proportional to 107,837.10, 160,957.26 and 101,188.62 is: 151,033.76
Step by Step Solution
- Step 1: Write the proportion equation
107,837.10 : 160,957.26 = 101,188.62 : x - Step 2: Convert to fraction form
107,837.10/160,957.26 = 101,188.62/x - Step 3: Cross multiply
107,837.10x = 160,957.26 × 101,188.62 - Step 4: Simplify right side
107,837.10x = 16,287,043,018.38 - Step 5: Solve for x
x = 16,287,043,018.38/107,837.10 - Step 6: Final answer
x = 151,033.76
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.