Finding the Fourth Proportional to 226,080.96, 311,979.36 and 125,472.96
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Solution
The fourth proportional to 226,080.96, 311,979.36 and 125,472.96 is: 173,145.82
Step by Step Solution
- Step 1: Write the proportion equation
226,080.96 : 311,979.36 = 125,472.96 : x - Step 2: Convert to fraction form
226,080.96/311,979.36 = 125,472.96/x - Step 3: Cross multiply
226,080.96x = 311,979.36 × 125,472.96 - Step 4: Simplify right side
226,080.96x = 39,144,973,758.11 - Step 5: Solve for x
x = 39,144,973,758.11/226,080.96 - Step 6: Final answer
x = 173,145.82
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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.