Finding the Fourth Proportional to 160,568.26, 221,353.41 and 112,673.14
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Solution
The fourth proportional to 160,568.26, 221,353.41 and 112,673.14 is: 155,326.99
Step by Step Solution
- Step 1: Write the proportion equation
160,568.26 : 221,353.41 = 112,673.14 : x - Step 2: Convert to fraction form
160,568.26/221,353.41 = 112,673.14/x - Step 3: Cross multiply
160,568.26x = 221,353.41 × 112,673.14 - Step 4: Simplify right side
160,568.26x = 24,940,583,754.41 - Step 5: Solve for x
x = 24,940,583,754.41/160,568.26 - Step 6: Final answer
x = 155,326.99
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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.