Finding the Fourth Proportional to 159,694.14, 220,393.44 and 119,337.84
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Solution
The fourth proportional to 159,694.14, 220,393.44 and 119,337.84 is: 164,697.82
Step by Step Solution
- Step 1: Write the proportion equation
159,694.14 : 220,393.44 = 119,337.84 : x - Step 2: Convert to fraction form
159,694.14/220,393.44 = 119,337.84/x - Step 3: Cross multiply
159,694.14x = 220,393.44 × 119,337.84 - Step 4: Simplify right side
159,694.14x = 26,301,277,079.77 - Step 5: Solve for x
x = 26,301,277,079.77/159,694.14 - Step 6: Final answer
x = 164,697.82
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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.