Finding the Fourth Proportional to 160,192.63, 221,056.99 and 88,568.38
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Solution
The fourth proportional to 160,192.63, 221,056.99 and 88,568.38 is: 122,219.48
Step by Step Solution
- Step 1: Write the proportion equation
160,192.63 : 221,056.99 = 88,568.38 : x - Step 2: Convert to fraction form
160,192.63/221,056.99 = 88,568.38/x - Step 3: Cross multiply
160,192.63x = 221,056.99 × 88,568.38 - Step 4: Simplify right side
160,192.63x = 19,578,659,491.98 - Step 5: Solve for x
x = 19,578,659,491.98/160,192.63 - Step 6: Final answer
x = 122,219.48
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1.5x scale
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.