Finding the Fourth Proportional to 167,722.25, 231,462.41 and 96,116.09
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Solution
The fourth proportional to 167,722.25, 231,462.41 and 96,116.09 is: 132,643.47
Step by Step Solution
- Step 1: Write the proportion equation
167,722.25 : 231,462.41 = 96,116.09 : x - Step 2: Convert to fraction form
167,722.25/231,462.41 = 96,116.09/x - Step 3: Cross multiply
167,722.25x = 231,462.41 × 96,116.09 - Step 4: Simplify right side
167,722.25x = 22,247,260,193.28 - Step 5: Solve for x
x = 22,247,260,193.28/167,722.25 - Step 6: Final answer
x = 132,643.47
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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.