Home / 198,358.21-273,733.33-107,713.37

Finding the Fourth Proportional to 198,358.21, 273,733.33 and 107,713.37

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Solution

The fourth proportional to 198,358.21, 273,733.33 and 107,713.37 is: 148,643.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,358.21 : 273,733.33 = 107,713.37 : x
  2. Step 2: Convert to fraction form
    198,358.21/273,733.33 = 107,713.37/x
  3. Step 3: Cross multiply
    198,358.21x = 273,733.33 × 107,713.37
  4. Step 4: Simplify right side
    198,358.21x = 29,484,739,455.62
  5. Step 5: Solve for x
    x = 29,484,739,455.62/198,358.21
  6. Step 6: Final answer
    x = 148,643.91

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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.