Finding the Fourth Proportional to 167,058.36, 230,539.86 and 91,606.68
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Solution
The fourth proportional to 167,058.36, 230,539.86 and 91,606.68 is: 126,416.85
Step by Step Solution
- Step 1: Write the proportion equation
167,058.36 : 230,539.86 = 91,606.68 : x - Step 2: Convert to fraction form
167,058.36/230,539.86 = 91,606.68/x - Step 3: Cross multiply
167,058.36x = 230,539.86 × 91,606.68 - Step 4: Simplify right side
167,058.36x = 21,118,991,182.26 - Step 5: Solve for x
x = 21,118,991,182.26/167,058.36 - Step 6: Final answer
x = 126,416.85
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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.