Finding the Fourth Proportional to 207,394.68, 286,232.49 and 116,768.64
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Solution
The fourth proportional to 207,394.68, 286,232.49 and 116,768.64 is: 161,156.39
Step by Step Solution
- Step 1: Write the proportion equation
207,394.68 : 286,232.49 = 116,768.64 : x - Step 2: Convert to fraction form
207,394.68/286,232.49 = 116,768.64/x - Step 3: Cross multiply
207,394.68x = 286,232.49 × 116,768.64 - Step 4: Simplify right side
207,394.68x = 33,422,978,581.11 - Step 5: Solve for x
x = 33,422,978,581.11/207,394.68 - Step 6: Final answer
x = 161,156.39
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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.