Home / 143,451.06-198,004.14-95,704.28

Finding the Fourth Proportional to 143,451.06, 198,004.14 and 95,704.28

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Solution

The fourth proportional to 143,451.06, 198,004.14 and 95,704.28 is: 132,099.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,451.06 : 198,004.14 = 95,704.28 : x
  2. Step 2: Convert to fraction form
    143,451.06/198,004.14 = 95,704.28/x
  3. Step 3: Cross multiply
    143,451.06x = 198,004.14 × 95,704.28
  4. Step 4: Simplify right side
    143,451.06x = 18,949,844,150.73
  5. Step 5: Solve for x
    x = 18,949,844,150.73/143,451.06
  6. Step 6: Final answer
    x = 132,099.72

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1.5x scale

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.