Finding the Fourth Proportional to 163,879.22, 226,157.54 and 92,261.79
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Solution
The fourth proportional to 163,879.22, 226,157.54 and 92,261.79 is: 127,323.65
Step by Step Solution
- Step 1: Write the proportion equation
163,879.22 : 226,157.54 = 92,261.79 : x - Step 2: Convert to fraction form
163,879.22/226,157.54 = 92,261.79/x - Step 3: Cross multiply
163,879.22x = 226,157.54 × 92,261.79 - Step 4: Simplify right side
163,879.22x = 20,865,699,001.09 - Step 5: Solve for x
x = 20,865,699,001.09/163,879.22 - Step 6: Final answer
x = 127,323.65
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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.