Finding the Fourth Proportional to 216,107.35, 298,225.45 and 119,311.99
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Solution
The fourth proportional to 216,107.35, 298,225.45 and 119,311.99 is: 164,649.06
Step by Step Solution
- Step 1: Write the proportion equation
216,107.35 : 298,225.45 = 119,311.99 : x - Step 2: Convert to fraction form
216,107.35/298,225.45 = 119,311.99/x - Step 3: Cross multiply
216,107.35x = 298,225.45 × 119,311.99 - Step 4: Simplify right side
216,107.35x = 35,581,871,908.15 - Step 5: Solve for x
x = 35,581,871,908.15/216,107.35 - Step 6: Final answer
x = 164,649.06
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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.