Finding the Fourth Proportional to 338,891.24, 507,982.17 and 114,174.03
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Solution
The fourth proportional to 338,891.24, 507,982.17 and 114,174.03 is: 171,141.55
Step by Step Solution
- Step 1: Write the proportion equation
338,891.24 : 507,982.17 = 114,174.03 : x - Step 2: Convert to fraction form
338,891.24/507,982.17 = 114,174.03/x - Step 3: Cross multiply
338,891.24x = 507,982.17 × 114,174.03 - Step 4: Simplify right side
338,891.24x = 57,998,373,850.13 - Step 5: Solve for x
x = 57,998,373,850.13/338,891.24 - Step 6: Final answer
x = 171,141.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.