Finding the Fourth Proportional to 176,768.13, 243,940.05 and 97,280.13
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Solution
The fourth proportional to 176,768.13, 243,940.05 and 97,280.13 is: 134,246.60
Step by Step Solution
- Step 1: Write the proportion equation
176,768.13 : 243,940.05 = 97,280.13 : x - Step 2: Convert to fraction form
176,768.13/243,940.05 = 97,280.13/x - Step 3: Cross multiply
176,768.13x = 243,940.05 × 97,280.13 - Step 4: Simplify right side
176,768.13x = 23,730,519,776.21 - Step 5: Solve for x
x = 23,730,519,776.21/176,768.13 - Step 6: Final answer
x = 134,246.60
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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.