Home / 322,475.14-483,785.34-109,231.03

Finding the Fourth Proportional to 322,475.14, 483,785.34 and 109,231.03

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Solution

The fourth proportional to 322,475.14, 483,785.34 and 109,231.03 is: 163,871.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,475.14 : 483,785.34 = 109,231.03 : x
  2. Step 2: Convert to fraction form
    322,475.14/483,785.34 = 109,231.03/x
  3. Step 3: Cross multiply
    322,475.14x = 483,785.34 × 109,231.03
  4. Step 4: Simplify right side
    322,475.14x = 52,844,370,987.10
  5. Step 5: Solve for x
    x = 52,844,370,987.10/322,475.14
  6. Step 6: Final answer
    x = 163,871.15

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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.