Finding the Fourth Proportional to 167,120.24, 230,655.42 and 99,174.68
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Solution
The fourth proportional to 167,120.24, 230,655.42 and 99,174.68 is: 136,878.56
Step by Step Solution
- Step 1: Write the proportion equation
167,120.24 : 230,655.42 = 99,174.68 : x - Step 2: Convert to fraction form
167,120.24/230,655.42 = 99,174.68/x - Step 3: Cross multiply
167,120.24x = 230,655.42 × 99,174.68 - Step 4: Simplify right side
167,120.24x = 22,875,177,468.77 - Step 5: Solve for x
x = 22,875,177,468.77/167,120.24 - Step 6: Final answer
x = 136,878.56
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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.