Finding the Fourth Proportional to 194,972, 269,061.72 and 105,548
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Solution
The fourth proportional to 194,972, 269,061.72 and 105,548 is: 145,656.43
Step by Step Solution
- Step 1: Write the proportion equation
194,972 : 269,061.72 = 105,548 : x - Step 2: Convert to fraction form
194,972/269,061.72 = 105,548/x - Step 3: Cross multiply
194,972x = 269,061.72 × 105,548 - Step 4: Simplify right side
194,972x = 28,398,926,422.56 - Step 5: Solve for x
x = 28,398,926,422.56/194,972 - Step 6: Final answer
x = 145,656.43
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.