Home / 195,880.64-270,314.24-111,013.76

Finding the Fourth Proportional to 195,880.64, 270,314.24 and 111,013.76

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Solution

The fourth proportional to 195,880.64, 270,314.24 and 111,013.76 is: 153,198.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,880.64 : 270,314.24 = 111,013.76 : x
  2. Step 2: Convert to fraction form
    195,880.64/270,314.24 = 111,013.76/x
  3. Step 3: Cross multiply
    195,880.64x = 270,314.24 × 111,013.76
  4. Step 4: Simplify right side
    195,880.64x = 30,008,600,163.94
  5. Step 5: Solve for x
    x = 30,008,600,163.94/195,880.64
  6. Step 6: Final answer
    x = 153,198.40

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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.