Home / 197,443.44-272,479.32-112,558.32

Finding the Fourth Proportional to 197,443.44, 272,479.32 and 112,558.32

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Solution

The fourth proportional to 197,443.44, 272,479.32 and 112,558.32 is: 155,334.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,443.44 : 272,479.32 = 112,558.32 : x
  2. Step 2: Convert to fraction form
    197,443.44/272,479.32 = 112,558.32/x
  3. Step 3: Cross multiply
    197,443.44x = 272,479.32 × 112,558.32
  4. Step 4: Simplify right side
    197,443.44x = 30,669,814,493.94
  5. Step 5: Solve for x
    x = 30,669,814,493.94/197,443.44
  6. Step 6: Final answer
    x = 155,334.68

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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.