Finding the Fourth Proportional to 167,243.63, 230,796.20 and 91,796.99
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Solution
The fourth proportional to 167,243.63, 230,796.20 and 91,796.99 is: 126,679.84
Step by Step Solution
- Step 1: Write the proportion equation
167,243.63 : 230,796.20 = 91,796.99 : x - Step 2: Convert to fraction form
167,243.63/230,796.20 = 91,796.99/x - Step 3: Cross multiply
167,243.63x = 230,796.20 × 91,796.99 - Step 4: Simplify right side
167,243.63x = 21,186,395,538.95 - Step 5: Solve for x
x = 21,186,395,538.95/167,243.63 - Step 6: Final answer
x = 126,679.84
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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.