Finding the Fourth Proportional to 130,097.74, 194,047.37 and 126,160.06
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Solution
The fourth proportional to 130,097.74, 194,047.37 and 126,160.06 is: 188,174.12
Step by Step Solution
- Step 1: Write the proportion equation
130,097.74 : 194,047.37 = 126,160.06 : x - Step 2: Convert to fraction form
130,097.74/194,047.37 = 126,160.06/x - Step 3: Cross multiply
130,097.74x = 194,047.37 × 126,160.06 - Step 4: Simplify right side
130,097.74x = 24,481,027,842.04 - Step 5: Solve for x
x = 24,481,027,842.04/130,097.74 - Step 6: Final answer
x = 188,174.12
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.