Finding the Fourth Proportional to 167,742.24, 231,290.36 and 133,724.14
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Solution
The fourth proportional to 167,742.24, 231,290.36 and 133,724.14 is: 184,384.71
Step by Step Solution
- Step 1: Write the proportion equation
167,742.24 : 231,290.36 = 133,724.14 : x - Step 2: Convert to fraction form
167,742.24/231,290.36 = 133,724.14/x - Step 3: Cross multiply
167,742.24x = 231,290.36 × 133,724.14 - Step 4: Simplify right side
167,742.24x = 30,929,104,481.29 - Step 5: Solve for x
x = 30,929,104,481.29/167,742.24 - Step 6: Final answer
x = 184,384.71
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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.