Finding the Fourth Proportional to 224,701.23, 310,056.08 and 129,173.07
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Solution
The fourth proportional to 224,701.23, 310,056.08 and 129,173.07 is: 178,240.66
Step by Step Solution
- Step 1: Write the proportion equation
224,701.23 : 310,056.08 = 129,173.07 : x - Step 2: Convert to fraction form
224,701.23/310,056.08 = 129,173.07/x - Step 3: Cross multiply
224,701.23x = 310,056.08 × 129,173.07 - Step 4: Simplify right side
224,701.23x = 40,050,895,079.90 - Step 5: Solve for x
x = 40,050,895,079.90/224,701.23 - Step 6: Final answer
x = 178,240.66
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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.