Home / 111,966.10-154,544.97-73,753.54

Finding the Fourth Proportional to 111,966.10, 154,544.97 and 73,753.54

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Solution

The fourth proportional to 111,966.10, 154,544.97 and 73,753.54 is: 101,800.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,966.10 : 154,544.97 = 73,753.54 : x
  2. Step 2: Convert to fraction form
    111,966.10/154,544.97 = 73,753.54/x
  3. Step 3: Cross multiply
    111,966.10x = 154,544.97 × 73,753.54
  4. Step 4: Simplify right side
    111,966.10x = 11,398,238,626.69
  5. Step 5: Solve for x
    x = 11,398,238,626.69/111,966.10
  6. Step 6: Final answer
    x = 101,800.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.