Finding the Fourth Proportional to 192,923.49, 266,236.29 and 106,884.30
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Solution
The fourth proportional to 192,923.49, 266,236.29 and 106,884.30 is: 147,501.37
Step by Step Solution
- Step 1: Write the proportion equation
192,923.49 : 266,236.29 = 106,884.30 : x - Step 2: Convert to fraction form
192,923.49/266,236.29 = 106,884.30/x - Step 3: Cross multiply
192,923.49x = 266,236.29 × 106,884.30 - Step 4: Simplify right side
192,923.49x = 28,456,479,491.25 - Step 5: Solve for x
x = 28,456,479,491.25/192,923.49 - Step 6: Final answer
x = 147,501.37
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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.