Home / 194,378.28-268,240.86-109,522.68

Finding the Fourth Proportional to 194,378.28, 268,240.86 and 109,522.68

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Solution

The fourth proportional to 194,378.28, 268,240.86 and 109,522.68 is: 151,140.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,378.28 : 268,240.86 = 109,522.68 : x
  2. Step 2: Convert to fraction form
    194,378.28/268,240.86 = 109,522.68/x
  3. Step 3: Cross multiply
    194,378.28x = 268,240.86 × 109,522.68
  4. Step 4: Simplify right side
    194,378.28x = 29,378,457,872.70
  5. Step 5: Solve for x
    x = 29,378,457,872.70/194,378.28
  6. Step 6: Final answer
    x = 151,140.64

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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.