Finding the Fourth Proportional to 189,864.94, 261,918.08 and 125,266.08
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Solution
The fourth proportional to 189,864.94, 261,918.08 and 125,266.08 is: 172,804.17
Step by Step Solution
- Step 1: Write the proportion equation
189,864.94 : 261,918.08 = 125,266.08 : x - Step 2: Convert to fraction form
189,864.94/261,918.08 = 125,266.08/x - Step 3: Cross multiply
189,864.94x = 261,918.08 × 125,266.08 - Step 4: Simplify right side
189,864.94x = 32,809,451,972.33 - Step 5: Solve for x
x = 32,809,451,972.33/189,864.94 - Step 6: Final answer
x = 172,804.17
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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.