Home / 198,054.68-273,289.19-112,025.39

Finding the Fourth Proportional to 198,054.68, 273,289.19 and 112,025.39

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Solution

The fourth proportional to 198,054.68, 273,289.19 and 112,025.39 is: 154,580.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,054.68 : 273,289.19 = 112,025.39 : x
  2. Step 2: Convert to fraction form
    198,054.68/273,289.19 = 112,025.39/x
  3. Step 3: Cross multiply
    198,054.68x = 273,289.19 × 112,025.39
  4. Step 4: Simplify right side
    198,054.68x = 30,615,326,165.96
  5. Step 5: Solve for x
    x = 30,615,326,165.96/198,054.68
  6. Step 6: Final answer
    x = 154,580.17

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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.