Finding the Fourth Proportional to 265,882.23, 366,918.62 and 145,026.11
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Solution
The fourth proportional to 265,882.23, 366,918.62 and 145,026.11 is: 200,136.66
Step by Step Solution
- Step 1: Write the proportion equation
265,882.23 : 366,918.62 = 145,026.11 : x - Step 2: Convert to fraction form
265,882.23/366,918.62 = 145,026.11/x - Step 3: Cross multiply
265,882.23x = 366,918.62 × 145,026.11 - Step 4: Simplify right side
265,882.23x = 53,212,780,745.22 - Step 5: Solve for x
x = 53,212,780,745.22/265,882.23 - Step 6: Final answer
x = 200,136.66
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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.