Finding the Fourth Proportional to 167,415.80, 230,900.12 and 110,113.92
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Solution
The fourth proportional to 167,415.80, 230,900.12 and 110,113.92 is: 151,869.28
Step by Step Solution
- Step 1: Write the proportion equation
167,415.80 : 230,900.12 = 110,113.92 : x - Step 2: Convert to fraction form
167,415.80/230,900.12 = 110,113.92/x - Step 3: Cross multiply
167,415.80x = 230,900.12 × 110,113.92 - Step 4: Simplify right side
167,415.80x = 25,425,316,791.10 - Step 5: Solve for x
x = 25,425,316,791.10/167,415.80 - Step 6: Final answer
x = 151,869.28
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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.