Finding the Fourth Proportional to 98,809.40, 148,163.68 and 32,206.74
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Solution
The fourth proportional to 98,809.40, 148,163.68 and 32,206.74 is: 48,293.68
Step by Step Solution
- Step 1: Write the proportion equation
98,809.40 : 148,163.68 = 32,206.74 : x - Step 2: Convert to fraction form
98,809.40/148,163.68 = 32,206.74/x - Step 3: Cross multiply
98,809.40x = 148,163.68 × 32,206.74 - Step 4: Simplify right side
98,809.40x = 4,771,869,119.20 - Step 5: Solve for x
x = 4,771,869,119.20/98,809.40 - Step 6: Final answer
x = 48,293.68
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.