Finding the Fourth Proportional to 224,566.49, 309,888.60 and 122,571.74
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Solution
The fourth proportional to 224,566.49, 309,888.60 and 122,571.74 is: 169,141.82
Step by Step Solution
- Step 1: Write the proportion equation
224,566.49 : 309,888.60 = 122,571.74 : x - Step 2: Convert to fraction form
224,566.49/309,888.60 = 122,571.74/x - Step 3: Cross multiply
224,566.49x = 309,888.60 × 122,571.74 - Step 4: Simplify right side
224,566.49x = 37,983,584,908.16 - Step 5: Solve for x
x = 37,983,584,908.16/224,566.49 - Step 6: Final answer
x = 169,141.82
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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.