Finding the Fourth Proportional to 232,700.05, 321,091.08 and 130,705.97
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Solution
The fourth proportional to 232,700.05, 321,091.08 and 130,705.97 is: 180,354.59
Step by Step Solution
- Step 1: Write the proportion equation
232,700.05 : 321,091.08 = 130,705.97 : x - Step 2: Convert to fraction form
232,700.05/321,091.08 = 130,705.97/x - Step 3: Cross multiply
232,700.05x = 321,091.08 × 130,705.97 - Step 4: Simplify right side
232,700.05x = 41,968,521,069.75 - Step 5: Solve for x
x = 41,968,521,069.75/232,700.05 - Step 6: Final answer
x = 180,354.59
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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.