Finding the Fourth Proportional to 221,933.52, 332,984.12 and 133,248.88
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Solution
The fourth proportional to 221,933.52, 332,984.12 and 133,248.88 is: 199,923.66
Step by Step Solution
- Step 1: Write the proportion equation
221,933.52 : 332,984.12 = 133,248.88 : x - Step 2: Convert to fraction form
221,933.52/332,984.12 = 133,248.88/x - Step 3: Cross multiply
221,933.52x = 332,984.12 × 133,248.88 - Step 4: Simplify right side
221,933.52x = 44,369,761,047.79 - Step 5: Solve for x
x = 44,369,761,047.79/221,933.52 - Step 6: Final answer
x = 199,923.66
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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.