Home / 198,045.75-273,303.54-113,162.61

Finding the Fourth Proportional to 198,045.75, 273,303.54 and 113,162.61

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Solution

The fourth proportional to 198,045.75, 273,303.54 and 113,162.61 is: 156,164.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,045.75 : 273,303.54 = 113,162.61 : x
  2. Step 2: Convert to fraction form
    198,045.75/273,303.54 = 113,162.61/x
  3. Step 3: Cross multiply
    198,045.75x = 273,303.54 × 113,162.61
  4. Step 4: Simplify right side
    198,045.75x = 30,927,741,908.64
  5. Step 5: Solve for x
    x = 30,927,741,908.64/198,045.75
  6. Step 6: Final answer
    x = 156,164.63

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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.