Home / 113,078.28-169,617.44-38,198.64

Finding the Fourth Proportional to 113,078.28, 169,617.44 and 38,198.64

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Solution

The fourth proportional to 113,078.28, 169,617.44 and 38,198.64 is: 57,297.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,078.28 : 169,617.44 = 38,198.64 : x
  2. Step 2: Convert to fraction form
    113,078.28/169,617.44 = 38,198.64/x
  3. Step 3: Cross multiply
    113,078.28x = 169,617.44 × 38,198.64
  4. Step 4: Simplify right side
    113,078.28x = 6,479,155,528.28
  5. Step 5: Solve for x
    x = 6,479,155,528.28/113,078.28
  6. Step 6: Final answer
    x = 57,297.97

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1.5x scale

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.