Home / 125,867.68-188,797.12-37,122.56

Finding the Fourth Proportional to 125,867.68, 188,797.12 and 37,122.56

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Solution

The fourth proportional to 125,867.68, 188,797.12 and 37,122.56 is: 55,682.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,867.68 : 188,797.12 = 37,122.56 : x
  2. Step 2: Convert to fraction form
    125,867.68/188,797.12 = 37,122.56/x
  3. Step 3: Cross multiply
    125,867.68x = 188,797.12 × 37,122.56
  4. Step 4: Simplify right side
    125,867.68x = 7,008,632,415.03
  5. Step 5: Solve for x
    x = 7,008,632,415.03/125,867.68
  6. Step 6: Final answer
    x = 55,682.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.