Home / 198,055.17-273,289.87-112,025.88

Finding the Fourth Proportional to 198,055.17, 273,289.87 and 112,025.88

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Solution

The fourth proportional to 198,055.17, 273,289.87 and 112,025.88 is: 154,580.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,055.17 : 273,289.87 = 112,025.88 : x
  2. Step 2: Convert to fraction form
    198,055.17/273,289.87 = 112,025.88/x
  3. Step 3: Cross multiply
    198,055.17x = 273,289.87 × 112,025.88
  4. Step 4: Simplify right side
    198,055.17x = 30,615,538,181.84
  5. Step 5: Solve for x
    x = 30,615,538,181.84/198,055.17
  6. Step 6: Final answer
    x = 154,580.86

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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.