Finding the Fourth Proportional to 187,102.44, 258,201.54 and 102,220.92
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Solution
The fourth proportional to 187,102.44, 258,201.54 and 102,220.92 is: 141,064.96
Step by Step Solution
- Step 1: Write the proportion equation
187,102.44 : 258,201.54 = 102,220.92 : x - Step 2: Convert to fraction form
187,102.44/258,201.54 = 102,220.92/x - Step 3: Cross multiply
187,102.44x = 258,201.54 × 102,220.92 - Step 4: Simplify right side
187,102.44x = 26,393,598,964.22 - Step 5: Solve for x
x = 26,393,598,964.22/187,102.44 - Step 6: Final answer
x = 141,064.96
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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.