Home / 197,742.44-272,889.24-112,867.40

Finding the Fourth Proportional to 197,742.44, 272,889.24 and 112,867.40

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Solution

The fourth proportional to 197,742.44, 272,889.24 and 112,867.40 is: 155,759.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,742.44 : 272,889.24 = 112,867.40 : x
  2. Step 2: Convert to fraction form
    197,742.44/272,889.24 = 112,867.40/x
  3. Step 3: Cross multiply
    197,742.44x = 272,889.24 × 112,867.40
  4. Step 4: Simplify right side
    197,742.44x = 30,800,299,265.75
  5. Step 5: Solve for x
    x = 30,800,299,265.75/197,742.44
  6. Step 6: Final answer
    x = 155,759.68

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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.