Finding the Fourth Proportional to 253,872.97, 350,298.70 and 163,208.14
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Solution
The fourth proportional to 253,872.97, 350,298.70 and 163,208.14 is: 225,197.66
Step by Step Solution
- Step 1: Write the proportion equation
253,872.97 : 350,298.70 = 163,208.14 : x - Step 2: Convert to fraction form
253,872.97/350,298.70 = 163,208.14/x - Step 3: Cross multiply
253,872.97x = 350,298.70 × 163,208.14 - Step 4: Simplify right side
253,872.97x = 57,171,597,987.65 - Step 5: Solve for x
x = 57,171,597,987.65/253,872.97 - Step 6: Final answer
x = 225,197.66
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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.