Finding the Fourth Proportional to 149,831.62, 224,756.07 and 56,338.18
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Solution
The fourth proportional to 149,831.62, 224,756.07 and 56,338.18 is: 84,510.52
Step by Step Solution
- Step 1: Write the proportion equation
149,831.62 : 224,756.07 = 56,338.18 : x - Step 2: Convert to fraction form
149,831.62/224,756.07 = 56,338.18/x - Step 3: Cross multiply
149,831.62x = 224,756.07 × 56,338.18 - Step 4: Simplify right side
149,831.62x = 12,662,347,927.75 - Step 5: Solve for x
x = 12,662,347,927.75/149,831.62 - Step 6: Final answer
x = 84,510.52
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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.