Finding the Fourth Proportional to 170,786.44, 235,688.97 and 94,305.34
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Solution
The fourth proportional to 170,786.44, 235,688.97 and 94,305.34 is: 130,143.40
Step by Step Solution
- Step 1: Write the proportion equation
170,786.44 : 235,688.97 = 94,305.34 : x - Step 2: Convert to fraction form
170,786.44/235,688.97 = 94,305.34/x - Step 3: Cross multiply
170,786.44x = 235,688.97 × 94,305.34 - Step 4: Simplify right side
170,786.44x = 22,226,728,450.10 - Step 5: Solve for x
x = 22,226,728,450.10/170,786.44 - Step 6: Final answer
x = 130,143.40
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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.