Finding the Fourth Proportional to 323,173.19, 484,981.22 and 112,811.13
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Solution
The fourth proportional to 323,173.19, 484,981.22 and 112,811.13 is: 169,293.99
Step by Step Solution
- Step 1: Write the proportion equation
323,173.19 : 484,981.22 = 112,811.13 : x - Step 2: Convert to fraction form
323,173.19/484,981.22 = 112,811.13/x - Step 3: Cross multiply
323,173.19x = 484,981.22 × 112,811.13 - Step 4: Simplify right side
323,173.19x = 54,711,279,739.01 - Step 5: Solve for x
x = 54,711,279,739.01/323,173.19 - Step 6: Final answer
x = 169,293.99
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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.