Finding the Fourth Proportional to 167,653.12, 231,361.12 and 92,201.44
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Solution
The fourth proportional to 167,653.12, 231,361.12 and 92,201.44 is: 127,237.89
Step by Step Solution
- Step 1: Write the proportion equation
167,653.12 : 231,361.12 = 92,201.44 : x - Step 2: Convert to fraction form
167,653.12/231,361.12 = 92,201.44/x - Step 3: Cross multiply
167,653.12x = 231,361.12 × 92,201.44 - Step 4: Simplify right side
167,653.12x = 21,331,828,424.01 - Step 5: Solve for x
x = 21,331,828,424.01/167,653.12 - Step 6: Final answer
x = 127,237.89
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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.