Finding the Fourth Proportional to 167,366.59, 230,971.22 and 91,915.09
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Solution
The fourth proportional to 167,366.59, 230,971.22 and 91,915.09 is: 126,845.75
Step by Step Solution
- Step 1: Write the proportion equation
167,366.59 : 230,971.22 = 91,915.09 : x - Step 2: Convert to fraction form
167,366.59/230,971.22 = 91,915.09/x - Step 3: Cross multiply
167,366.59x = 230,971.22 × 91,915.09 - Step 4: Simplify right side
167,366.59x = 21,229,740,014.13 - Step 5: Solve for x
x = 21,229,740,014.13/167,366.59 - Step 6: Final answer
x = 126,845.75
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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.