Finding the Fourth Proportional to 228,508.44, 315,171.74 and 147,873.76
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Solution
The fourth proportional to 228,508.44, 315,171.74 and 147,873.76 is: 203,955.84
Step by Step Solution
- Step 1: Write the proportion equation
228,508.44 : 315,171.74 = 147,873.76 : x - Step 2: Convert to fraction form
228,508.44/315,171.74 = 147,873.76/x - Step 3: Cross multiply
228,508.44x = 315,171.74 × 147,873.76 - Step 4: Simplify right side
228,508.44x = 46,605,630,239.54 - Step 5: Solve for x
x = 46,605,630,239.54/228,508.44 - Step 6: Final answer
x = 203,955.84
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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.