Finding the Fourth Proportional to 142,170, 213,192.84 and 75,594
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Solution
The fourth proportional to 142,170, 213,192.84 and 75,594 is: 113,357.95
Step by Step Solution
- Step 1: Write the proportion equation
142,170 : 213,192.84 = 75,594 : x - Step 2: Convert to fraction form
142,170/213,192.84 = 75,594/x - Step 3: Cross multiply
142,170x = 213,192.84 × 75,594 - Step 4: Simplify right side
142,170x = 16,116,099,546.96 - Step 5: Solve for x
x = 16,116,099,546.96/142,170 - Step 6: Final answer
x = 113,357.95
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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.