Finding the Fourth Proportional to 146,656.92, 202,389.58 and 82,994.70
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Solution
The fourth proportional to 146,656.92, 202,389.58 and 82,994.70 is: 114,534.40
Step by Step Solution
- Step 1: Write the proportion equation
146,656.92 : 202,389.58 = 82,994.70 : x - Step 2: Convert to fraction form
146,656.92/202,389.58 = 82,994.70/x - Step 3: Cross multiply
146,656.92x = 202,389.58 × 82,994.70 - Step 4: Simplify right side
146,656.92x = 16,797,262,475.23 - Step 5: Solve for x
x = 16,797,262,475.23/146,656.92 - Step 6: Final answer
x = 114,534.40
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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.