Finding the Fourth Proportional to 134,905.04, 186,334.62 and 101,064.92
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Solution
The fourth proportional to 134,905.04, 186,334.62 and 101,064.92 is: 139,593.70
Step by Step Solution
- Step 1: Write the proportion equation
134,905.04 : 186,334.62 = 101,064.92 : x - Step 2: Convert to fraction form
134,905.04/186,334.62 = 101,064.92/x - Step 3: Cross multiply
134,905.04x = 186,334.62 × 101,064.92 - Step 4: Simplify right side
134,905.04x = 18,831,893,463.53 - Step 5: Solve for x
x = 18,831,893,463.53/134,905.04 - Step 6: Final answer
x = 139,593.70
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1.5x scale
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.