Finding the Fourth Proportional to 270,188.08, 372,905.86 and 157,076.44
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Solution
The fourth proportional to 270,188.08, 372,905.86 and 157,076.44 is: 216,792.41
Step by Step Solution
- Step 1: Write the proportion equation
270,188.08 : 372,905.86 = 157,076.44 : x - Step 2: Convert to fraction form
270,188.08/372,905.86 = 157,076.44/x - Step 3: Cross multiply
270,188.08x = 372,905.86 × 157,076.44 - Step 4: Simplify right side
270,188.08x = 58,574,724,943.94 - Step 5: Solve for x
x = 58,574,724,943.94/270,188.08 - Step 6: Final answer
x = 216,792.41
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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.