Finding the Fourth Proportional to 224,770.04, 310,192.06 and 129,276.80
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Solution
The fourth proportional to 224,770.04, 310,192.06 and 129,276.80 is: 178,407.39
Step by Step Solution
- Step 1: Write the proportion equation
224,770.04 : 310,192.06 = 129,276.80 : x - Step 2: Convert to fraction form
224,770.04/310,192.06 = 129,276.80/x - Step 3: Cross multiply
224,770.04x = 310,192.06 × 129,276.80 - Step 4: Simplify right side
224,770.04x = 40,100,636,902.21 - Step 5: Solve for x
x = 40,100,636,902.21/224,770.04 - Step 6: Final answer
x = 178,407.39
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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.