Finding the Fourth Proportional to 167,963.10, 231,780.33 and 104,299.53
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Solution
The fourth proportional to 167,963.10, 231,780.33 and 104,299.53 is: 143,927.92
Step by Step Solution
- Step 1: Write the proportion equation
167,963.10 : 231,780.33 = 104,299.53 : x - Step 2: Convert to fraction form
167,963.10/231,780.33 = 104,299.53/x - Step 3: Cross multiply
167,963.10x = 231,780.33 × 104,299.53 - Step 4: Simplify right side
167,963.10x = 24,174,579,482.24 - Step 5: Solve for x
x = 24,174,579,482.24/167,963.10 - Step 6: Final answer
x = 143,927.92
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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.