Finding the Fourth Proportional to 146,889.44, 202,708.71 and 79,821.44
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Solution
The fourth proportional to 146,889.44, 202,708.71 and 79,821.44 is: 110,154.28
Step by Step Solution
- Step 1: Write the proportion equation
146,889.44 : 202,708.71 = 79,821.44 : x - Step 2: Convert to fraction form
146,889.44/202,708.71 = 79,821.44/x - Step 3: Cross multiply
146,889.44x = 202,708.71 × 79,821.44 - Step 4: Simplify right side
146,889.44x = 16,180,501,132.74 - Step 5: Solve for x
x = 16,180,501,132.74/146,889.44 - Step 6: Final answer
x = 110,154.28
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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.