Finding the Fourth Proportional to 216,056.20, 298,157.57 and 119,260.08
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Solution
The fourth proportional to 216,056.20, 298,157.57 and 119,260.08 is: 164,578.92
Step by Step Solution
- Step 1: Write the proportion equation
216,056.20 : 298,157.57 = 119,260.08 : x - Step 2: Convert to fraction form
216,056.20/298,157.57 = 119,260.08/x - Step 3: Cross multiply
216,056.20x = 298,157.57 × 119,260.08 - Step 4: Simplify right side
216,056.20x = 35,558,294,998.58 - Step 5: Solve for x
x = 35,558,294,998.58/216,056.20 - Step 6: Final answer
x = 164,578.92
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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.