Finding the Fourth Proportional to 178,416.21, 246,214.71 and 97,844.30
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Solution
The fourth proportional to 178,416.21, 246,214.71 and 97,844.30 is: 135,025.32
Step by Step Solution
- Step 1: Write the proportion equation
178,416.21 : 246,214.71 = 97,844.30 : x - Step 2: Convert to fraction form
178,416.21/246,214.71 = 97,844.30/x - Step 3: Cross multiply
178,416.21x = 246,214.71 × 97,844.30 - Step 4: Simplify right side
178,416.21x = 24,090,705,949.65 - Step 5: Solve for x
x = 24,090,705,949.65/178,416.21 - Step 6: Final answer
x = 135,025.32
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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.