Finding the Fourth Proportional to 189,712.32, 284,739.84 and 101,040
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Solution
The fourth proportional to 189,712.32, 284,739.84 and 101,040 is: 151,651.27
Step by Step Solution
- Step 1: Write the proportion equation
189,712.32 : 284,739.84 = 101,040 : x - Step 2: Convert to fraction form
189,712.32/284,739.84 = 101,040/x - Step 3: Cross multiply
189,712.32x = 284,739.84 × 101,040 - Step 4: Simplify right side
189,712.32x = 28,770,113,433.60 - Step 5: Solve for x
x = 28,770,113,433.60/189,712.32 - Step 6: Final answer
x = 151,651.27
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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.