Home / 194,660.26-268,637.61-112,982.40

Finding the Fourth Proportional to 194,660.26, 268,637.61 and 112,982.40

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Solution

The fourth proportional to 194,660.26, 268,637.61 and 112,982.40 is: 155,919.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,660.26 : 268,637.61 = 112,982.40 : x
  2. Step 2: Convert to fraction form
    194,660.26/268,637.61 = 112,982.40/x
  3. Step 3: Cross multiply
    194,660.26x = 268,637.61 × 112,982.40
  4. Step 4: Simplify right side
    194,660.26x = 30,351,321,908.06
  5. Step 5: Solve for x
    x = 30,351,321,908.06/194,660.26
  6. Step 6: Final answer
    x = 155,919.46

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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.