Finding the Fourth Proportional to 240,161.36, 331,393.95 and 132,716.79
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Solution
The fourth proportional to 240,161.36, 331,393.95 and 132,716.79 is: 183,133.30
Step by Step Solution
- Step 1: Write the proportion equation
240,161.36 : 331,393.95 = 132,716.79 : x - Step 2: Convert to fraction form
240,161.36/331,393.95 = 132,716.79/x - Step 3: Cross multiply
240,161.36x = 331,393.95 × 132,716.79 - Step 4: Simplify right side
240,161.36x = 43,981,541,269.42 - Step 5: Solve for x
x = 43,981,541,269.42/240,161.36 - Step 6: Final answer
x = 183,133.30
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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.