Finding the Fourth Proportional to 658,133.96, 987,200.95 and 159,497.96
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Solution
The fourth proportional to 658,133.96, 987,200.95 and 159,497.96 is: 239,246.94
Step by Step Solution
- Step 1: Write the proportion equation
658,133.96 : 987,200.95 = 159,497.96 : x - Step 2: Convert to fraction form
658,133.96/987,200.95 = 159,497.96/x - Step 3: Cross multiply
658,133.96x = 987,200.95 × 159,497.96 - Step 4: Simplify right side
658,133.96x = 157,456,538,152.38 - Step 5: Solve for x
x = 157,456,538,152.38/658,133.96 - Step 6: Final answer
x = 239,246.94
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Double scale
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Similar ratio
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.