Finding the Fourth Proportional to 158,867.19, 238,299.98 and 74,626.91
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Solution
The fourth proportional to 158,867.19, 238,299.98 and 74,626.91 is: 111,939.99
Step by Step Solution
- Step 1: Write the proportion equation
158,867.19 : 238,299.98 = 74,626.91 : x - Step 2: Convert to fraction form
158,867.19/238,299.98 = 74,626.91/x - Step 3: Cross multiply
158,867.19x = 238,299.98 × 74,626.91 - Step 4: Simplify right side
158,867.19x = 17,783,591,160.46 - Step 5: Solve for x
x = 17,783,591,160.46/158,867.19 - Step 6: Final answer
x = 111,939.99
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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.