Home / 154,443.30-231,794.55-75,624.90

Finding the Fourth Proportional to 154,443.30, 231,794.55 and 75,624.90

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Solution

The fourth proportional to 154,443.30, 231,794.55 and 75,624.90 is: 113,500.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,443.30 : 231,794.55 = 75,624.90 : x
  2. Step 2: Convert to fraction form
    154,443.30/231,794.55 = 75,624.90/x
  3. Step 3: Cross multiply
    154,443.30x = 231,794.55 × 75,624.90
  4. Step 4: Simplify right side
    154,443.30x = 17,529,439,664.30
  5. Step 5: Solve for x
    x = 17,529,439,664.30/154,443.30
  6. Step 6: Final answer
    x = 113,500.81

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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.