Finding the Fourth Proportional to 167,445.20, 251,167.80 and 97,461.20
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Solution
The fourth proportional to 167,445.20, 251,167.80 and 97,461.20 is: 146,191.80
Step by Step Solution
- Step 1: Write the proportion equation
167,445.20 : 251,167.80 = 97,461.20 : x - Step 2: Convert to fraction form
167,445.20/251,167.80 = 97,461.20/x - Step 3: Cross multiply
167,445.20x = 251,167.80 × 97,461.20 - Step 4: Simplify right side
167,445.20x = 24,479,115,189.36 - Step 5: Solve for x
x = 24,479,115,189.36/167,445.20 - Step 6: Final answer
x = 146,191.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.