Home / 194,579.12-291,981.20-82,252.04

Finding the Fourth Proportional to 194,579.12, 291,981.20 and 82,252.04

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Solution

The fourth proportional to 194,579.12, 291,981.20 and 82,252.04 is: 123,425.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,579.12 : 291,981.20 = 82,252.04 : x
  2. Step 2: Convert to fraction form
    194,579.12/291,981.20 = 82,252.04/x
  3. Step 3: Cross multiply
    194,579.12x = 291,981.20 × 82,252.04
  4. Step 4: Simplify right side
    194,579.12x = 24,016,047,470.48
  5. Step 5: Solve for x
    x = 24,016,047,470.48/194,579.12
  6. Step 6: Final answer
    x = 123,425.62

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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.