Finding the Fourth Proportional to 168,967.48, 233,135.50 and 115,364.12
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Solution
The fourth proportional to 168,967.48, 233,135.50 and 115,364.12 is: 159,175.43
Step by Step Solution
- Step 1: Write the proportion equation
168,967.48 : 233,135.50 = 115,364.12 : x - Step 2: Convert to fraction form
168,967.48/233,135.50 = 115,364.12/x - Step 3: Cross multiply
168,967.48x = 233,135.50 × 115,364.12 - Step 4: Simplify right side
168,967.48x = 26,895,471,798.26 - Step 5: Solve for x
x = 26,895,471,798.26/168,967.48 - Step 6: Final answer
x = 159,175.43
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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.