Finding the Fourth Proportional to 168,690.96, 232,984.80 and 114,882.48
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Solution
The fourth proportional to 168,690.96, 232,984.80 and 114,882.48 is: 158,668.09
Step by Step Solution
- Step 1: Write the proportion equation
168,690.96 : 232,984.80 = 114,882.48 : x - Step 2: Convert to fraction form
168,690.96/232,984.80 = 114,882.48/x - Step 3: Cross multiply
168,690.96x = 232,984.80 × 114,882.48 - Step 4: Simplify right side
168,690.96x = 26,765,871,626.30 - Step 5: Solve for x
x = 26,765,871,626.30/168,690.96 - Step 6: Final answer
x = 158,668.09
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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.