Home / 125,261.35-188,079.44-108,446.36

Finding the Fourth Proportional to 125,261.35, 188,079.44 and 108,446.36

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Solution

The fourth proportional to 125,261.35, 188,079.44 and 108,446.36 is: 162,831.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,261.35 : 188,079.44 = 108,446.36 : x
  2. Step 2: Convert to fraction form
    125,261.35/188,079.44 = 108,446.36/x
  3. Step 3: Cross multiply
    125,261.35x = 188,079.44 × 108,446.36
  4. Step 4: Simplify right side
    125,261.35x = 20,396,529,176.21
  5. Step 5: Solve for x
    x = 20,396,529,176.21/125,261.35
  6. Step 6: Final answer
    x = 162,831.79

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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.