Finding the Fourth Proportional to 167,378.76, 230,984.33 and 91,927.26
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Solution
The fourth proportional to 167,378.76, 230,984.33 and 91,927.26 is: 126,860.52
Step by Step Solution
- Step 1: Write the proportion equation
167,378.76 : 230,984.33 = 91,927.26 : x - Step 2: Convert to fraction form
167,378.76/230,984.33 = 91,927.26/x - Step 3: Cross multiply
167,378.76x = 230,984.33 × 91,927.26 - Step 4: Simplify right side
167,378.76x = 21,233,756,100.20 - Step 5: Solve for x
x = 21,233,756,100.20/167,378.76 - Step 6: Final answer
x = 126,860.52
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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.