Home / 194,790.20-291,966.60-82,451.30

Finding the Fourth Proportional to 194,790.20, 291,966.60 and 82,451.30

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Solution

The fourth proportional to 194,790.20, 291,966.60 and 82,451.30 is: 123,584.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,790.20 : 291,966.60 = 82,451.30 : x
  2. Step 2: Convert to fraction form
    194,790.20/291,966.60 = 82,451.30/x
  3. Step 3: Cross multiply
    194,790.20x = 291,966.60 × 82,451.30
  4. Step 4: Simplify right side
    194,790.20x = 24,073,025,726.58
  5. Step 5: Solve for x
    x = 24,073,025,726.58/194,790.20
  6. Step 6: Final answer
    x = 123,584.38

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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.