Home / 330,850.64-456,549-194,896.40

Finding the Fourth Proportional to 330,850.64, 456,549 and 194,896.40

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Solution

The fourth proportional to 330,850.64, 456,549 and 194,896.40 is: 268,942.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,850.64 : 456,549 = 194,896.40 : x
  2. Step 2: Convert to fraction form
    330,850.64/456,549 = 194,896.40/x
  3. Step 3: Cross multiply
    330,850.64x = 456,549 × 194,896.40
  4. Step 4: Simplify right side
    330,850.64x = 88,979,756,523.60
  5. Step 5: Solve for x
    x = 88,979,756,523.60/330,850.64
  6. Step 6: Final answer
    x = 268,942.37

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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.