Finding the Fourth Proportional to 110,160.75, 165,240.72 and 31,274.99
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Solution
The fourth proportional to 110,160.75, 165,240.72 and 31,274.99 is: 46,912.36
Step by Step Solution
- Step 1: Write the proportion equation
110,160.75 : 165,240.72 = 31,274.99 : x - Step 2: Convert to fraction form
110,160.75/165,240.72 = 31,274.99/x - Step 3: Cross multiply
110,160.75x = 165,240.72 × 31,274.99 - Step 4: Simplify right side
110,160.75x = 5,167,901,039.39 - Step 5: Solve for x
x = 5,167,901,039.39/110,160.75 - Step 6: Final answer
x = 46,912.36
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1.5x scale
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.