Finding the Fourth Proportional to 165,178.26, 227,961.86 and 92,580.79
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Solution
The fourth proportional to 165,178.26, 227,961.86 and 92,580.79 is: 127,770.38
Step by Step Solution
- Step 1: Write the proportion equation
165,178.26 : 227,961.86 = 92,580.79 : x - Step 2: Convert to fraction form
165,178.26/227,961.86 = 92,580.79/x - Step 3: Cross multiply
165,178.26x = 227,961.86 × 92,580.79 - Step 4: Simplify right side
165,178.26x = 21,104,889,088.67 - Step 5: Solve for x
x = 21,104,889,088.67/165,178.26 - Step 6: Final answer
x = 127,770.38
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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.