Finding the Fourth Proportional to 161,078.16, 222,305.49 and 92,173.99
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Solution
The fourth proportional to 161,078.16, 222,305.49 and 92,173.99 is: 127,210.19
Step by Step Solution
- Step 1: Write the proportion equation
161,078.16 : 222,305.49 = 92,173.99 : x - Step 2: Convert to fraction form
161,078.16/222,305.49 = 92,173.99/x - Step 3: Cross multiply
161,078.16x = 222,305.49 × 92,173.99 - Step 4: Simplify right side
161,078.16x = 20,490,784,012.21 - Step 5: Solve for x
x = 20,490,784,012.21/161,078.16 - Step 6: Final answer
x = 127,210.19
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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.