Finding the Fourth Proportional to 181,816.09, 250,777.64 and 157,573.19
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Solution
The fourth proportional to 181,816.09, 250,777.64 and 157,573.19 is: 217,339.59
Step by Step Solution
- Step 1: Write the proportion equation
181,816.09 : 250,777.64 = 157,573.19 : x - Step 2: Convert to fraction form
181,816.09/250,777.64 = 157,573.19/x - Step 3: Cross multiply
181,816.09x = 250,777.64 × 157,573.19 - Step 4: Simplify right side
181,816.09x = 39,515,833,736.35 - Step 5: Solve for x
x = 39,515,833,736.35/181,816.09 - Step 6: Final answer
x = 217,339.59
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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.