Finding the Fourth Proportional to 197,288.28, 272,257.86 and 106,644
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Solution
The fourth proportional to 197,288.28, 272,257.86 and 106,644 is: 147,168.74
Step by Step Solution
- Step 1: Write the proportion equation
197,288.28 : 272,257.86 = 106,644 : x - Step 2: Convert to fraction form
197,288.28/272,257.86 = 106,644/x - Step 3: Cross multiply
197,288.28x = 272,257.86 × 106,644 - Step 4: Simplify right side
197,288.28x = 29,034,667,221.84 - Step 5: Solve for x
x = 29,034,667,221.84/197,288.28 - Step 6: Final answer
x = 147,168.74
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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.