Finding the Fourth Proportional to 226,239.48, 312,196.68 and 124,245.09
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Solution
The fourth proportional to 226,239.48, 312,196.68 and 124,245.09 is: 171,450.64
Step by Step Solution
- Step 1: Write the proportion equation
226,239.48 : 312,196.68 = 124,245.09 : x - Step 2: Convert to fraction form
226,239.48/312,196.68 = 124,245.09/x - Step 3: Cross multiply
226,239.48x = 312,196.68 × 124,245.09 - Step 4: Simplify right side
226,239.48x = 38,788,904,604.30 - Step 5: Solve for x
x = 38,788,904,604.30/226,239.48 - Step 6: Final answer
x = 171,450.64
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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.