Finding the Fourth Proportional to 146,783.99, 202,562.70 and 83,134.19
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Solution
The fourth proportional to 146,783.99, 202,562.70 and 83,134.19 is: 114,725.63
Step by Step Solution
- Step 1: Write the proportion equation
146,783.99 : 202,562.70 = 83,134.19 : x - Step 2: Convert to fraction form
146,783.99/202,562.70 = 83,134.19/x - Step 3: Cross multiply
146,783.99x = 202,562.70 × 83,134.19 - Step 4: Simplify right side
146,783.99x = 16,839,885,988.71 - Step 5: Solve for x
x = 16,839,885,988.71/146,783.99 - Step 6: Final answer
x = 114,725.63
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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.