Finding the Fourth Proportional to 221,844.30, 332,572.05 and 133,133.10
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Solution
The fourth proportional to 221,844.30, 332,572.05 and 133,133.10 is: 199,582.99
Step by Step Solution
- Step 1: Write the proportion equation
221,844.30 : 332,572.05 = 133,133.10 : x - Step 2: Convert to fraction form
221,844.30/332,572.05 = 133,133.10/x - Step 3: Cross multiply
221,844.30x = 332,572.05 × 133,133.10 - Step 4: Simplify right side
221,844.30x = 44,276,347,989.86 - Step 5: Solve for x
x = 44,276,347,989.86/221,844.30 - Step 6: Final answer
x = 199,582.99
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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.