Home / 154,022.76-231,107.58-83,900.52

Finding the Fourth Proportional to 154,022.76, 231,107.58 and 83,900.52

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Solution

The fourth proportional to 154,022.76, 231,107.58 and 83,900.52 is: 125,890.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,022.76 : 231,107.58 = 83,900.52 : x
  2. Step 2: Convert to fraction form
    154,022.76/231,107.58 = 83,900.52/x
  3. Step 3: Cross multiply
    154,022.76x = 231,107.58 × 83,900.52
  4. Step 4: Simplify right side
    154,022.76x = 19,390,046,137.94
  5. Step 5: Solve for x
    x = 19,390,046,137.94/154,022.76
  6. Step 6: Final answer
    x = 125,890.78

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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.