Home / 194,318.37-268,152.26-108,272.90

Finding the Fourth Proportional to 194,318.37, 268,152.26 and 108,272.90

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Solution

The fourth proportional to 194,318.37, 268,152.26 and 108,272.90 is: 149,412.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,318.37 : 268,152.26 = 108,272.90 : x
  2. Step 2: Convert to fraction form
    194,318.37/268,152.26 = 108,272.90/x
  3. Step 3: Cross multiply
    194,318.37x = 268,152.26 × 108,272.90
  4. Step 4: Simplify right side
    194,318.37x = 29,033,622,831.75
  5. Step 5: Solve for x
    x = 29,033,622,831.75/194,318.37
  6. Step 6: Final answer
    x = 149,412.66

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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.