Finding the Fourth Proportional to 226,741.02, 312,904.82 and 124,768.67
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Solution
The fourth proportional to 226,741.02, 312,904.82 and 124,768.67 is: 172,181.99
Step by Step Solution
- Step 1: Write the proportion equation
226,741.02 : 312,904.82 = 124,768.67 : x - Step 2: Convert to fraction form
226,741.02/312,904.82 = 124,768.67/x - Step 3: Cross multiply
226,741.02x = 312,904.82 × 124,768.67 - Step 4: Simplify right side
226,741.02x = 39,040,718,735.48 - Step 5: Solve for x
x = 39,040,718,735.48/226,741.02 - Step 6: Final answer
x = 172,181.99
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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.