Finding the Fourth Proportional to 224,337.42, 309,586.60 and 122,365.07
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Solution
The fourth proportional to 224,337.42, 309,586.60 and 122,365.07 is: 168,864.32
Step by Step Solution
- Step 1: Write the proportion equation
224,337.42 : 309,586.60 = 122,365.07 : x - Step 2: Convert to fraction form
224,337.42/309,586.60 = 122,365.07/x - Step 3: Cross multiply
224,337.42x = 309,586.60 × 122,365.07 - Step 4: Simplify right side
224,337.42x = 37,882,585,777.21 - Step 5: Solve for x
x = 37,882,585,777.21/224,337.42 - Step 6: Final answer
x = 168,864.32
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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.