Finding the Fourth Proportional to 167,891.19, 251,924.27 and 74,375.07
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Solution
The fourth proportional to 167,891.19, 251,924.27 and 74,375.07 is: 111,601.36
Step by Step Solution
- Step 1: Write the proportion equation
167,891.19 : 251,924.27 = 74,375.07 : x - Step 2: Convert to fraction form
167,891.19/251,924.27 = 74,375.07/x - Step 3: Cross multiply
167,891.19x = 251,924.27 × 74,375.07 - Step 4: Simplify right side
167,891.19x = 18,736,884,844.07 - Step 5: Solve for x
x = 18,736,884,844.07/167,891.19 - Step 6: Final answer
x = 111,601.36
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.