Finding the Fourth Proportional to 133,936.15, 184,831.74 and 73,506.95
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Solution
The fourth proportional to 133,936.15, 184,831.74 and 73,506.95 is: 101,439.50
Step by Step Solution
- Step 1: Write the proportion equation
133,936.15 : 184,831.74 = 73,506.95 : x - Step 2: Convert to fraction form
133,936.15/184,831.74 = 73,506.95/x - Step 3: Cross multiply
133,936.15x = 184,831.74 × 73,506.95 - Step 4: Simplify right side
133,936.15x = 13,586,416,669.53 - Step 5: Solve for x
x = 13,586,416,669.53/133,936.15 - Step 6: Final answer
x = 101,439.50
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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.