Home / 197,319.44-272,308.20-112,434.32

Finding the Fourth Proportional to 197,319.44, 272,308.20 and 112,434.32

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Solution

The fourth proportional to 197,319.44, 272,308.20 and 112,434.32 is: 155,163.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,319.44 : 272,308.20 = 112,434.32 : x
  2. Step 2: Convert to fraction form
    197,319.44/272,308.20 = 112,434.32/x
  3. Step 3: Cross multiply
    197,319.44x = 272,308.20 × 112,434.32
  4. Step 4: Simplify right side
    197,319.44x = 30,616,787,297.42
  5. Step 5: Solve for x
    x = 30,616,787,297.42/197,319.44
  6. Step 6: Final answer
    x = 155,163.56

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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.