Finding the Fourth Proportional to 202,169.20, 303,326.70 and 83,876.80
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Solution
The fourth proportional to 202,169.20, 303,326.70 and 83,876.80 is: 125,845.45
Step by Step Solution
- Step 1: Write the proportion equation
202,169.20 : 303,326.70 = 83,876.80 : x - Step 2: Convert to fraction form
202,169.20/303,326.70 = 83,876.80/x - Step 3: Cross multiply
202,169.20x = 303,326.70 × 83,876.80 - Step 4: Simplify right side
202,169.20x = 25,442,072,950.56 - Step 5: Solve for x
x = 25,442,072,950.56/202,169.20 - Step 6: Final answer
x = 125,845.45
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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.