Finding the Fourth Proportional to 185,661.84, 278,492.14 and 67,332.99
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Solution
The fourth proportional to 185,661.84, 278,492.14 and 67,332.99 is: 100,999.26
Step by Step Solution
- Step 1: Write the proportion equation
185,661.84 : 278,492.14 = 67,332.99 : x - Step 2: Convert to fraction form
185,661.84/278,492.14 = 67,332.99/x - Step 3: Cross multiply
185,661.84x = 278,492.14 × 67,332.99 - Step 4: Simplify right side
185,661.84x = 18,751,708,477.70 - Step 5: Solve for x
x = 18,751,708,477.70/185,661.84 - Step 6: Final answer
x = 100,999.26
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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.