Finding the Fourth Proportional to 142,018.48, 196,814 and 140,014
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Solution
The fourth proportional to 142,018.48, 196,814 and 140,014 is: 194,036.12
Step by Step Solution
- Step 1: Write the proportion equation
142,018.48 : 196,814 = 140,014 : x - Step 2: Convert to fraction form
142,018.48/196,814 = 140,014/x - Step 3: Cross multiply
142,018.48x = 196,814 × 140,014 - Step 4: Simplify right side
142,018.48x = 27,556,715,396 - Step 5: Solve for x
x = 27,556,715,396/142,018.48 - Step 6: Final answer
x = 194,036.12
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Why These Related Problems?
These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.