Home / 194,639.24-291,704.51-99,789.05

Finding the Fourth Proportional to 194,639.24, 291,704.51 and 99,789.05

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Solution

The fourth proportional to 194,639.24, 291,704.51 and 99,789.05 is: 149,553.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,639.24 : 291,704.51 = 99,789.05 : x
  2. Step 2: Convert to fraction form
    194,639.24/291,704.51 = 99,789.05/x
  3. Step 3: Cross multiply
    194,639.24x = 291,704.51 × 99,789.05
  4. Step 4: Simplify right side
    194,639.24x = 29,108,915,933.62
  5. Step 5: Solve for x
    x = 29,108,915,933.62/194,639.24
  6. Step 6: Final answer
    x = 149,553.17

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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.