Finding the Fourth Proportional to 167,205.44, 230,750.16 and 91,756.64
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Solution
The fourth proportional to 167,205.44, 230,750.16 and 91,756.64 is: 126,627.81
Step by Step Solution
- Step 1: Write the proportion equation
167,205.44 : 230,750.16 = 91,756.64 : x - Step 2: Convert to fraction form
167,205.44/230,750.16 = 91,756.64/x - Step 3: Cross multiply
167,205.44x = 230,750.16 × 91,756.64 - Step 4: Simplify right side
167,205.44x = 21,172,859,361.06 - Step 5: Solve for x
x = 21,172,859,361.06/167,205.44 - Step 6: Final answer
x = 126,627.81
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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.