Home / 255,263.16-383,023.89-105,610.83

Finding the Fourth Proportional to 255,263.16, 383,023.89 and 105,610.83

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Solution

The fourth proportional to 255,263.16, 383,023.89 and 105,610.83 is: 158,469.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,263.16 : 383,023.89 = 105,610.83 : x
  2. Step 2: Convert to fraction form
    255,263.16/383,023.89 = 105,610.83/x
  3. Step 3: Cross multiply
    255,263.16x = 383,023.89 × 105,610.83
  4. Step 4: Simplify right side
    255,263.16x = 40,451,470,932.73
  5. Step 5: Solve for x
    x = 40,451,470,932.73/255,263.16
  6. Step 6: Final answer
    x = 158,469.68

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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.