Home / 234,846.64-352,185-99,919.72

Finding the Fourth Proportional to 234,846.64, 352,185 and 99,919.72

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Solution

The fourth proportional to 234,846.64, 352,185 and 99,919.72 is: 149,843.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,846.64 : 352,185 = 99,919.72 : x
  2. Step 2: Convert to fraction form
    234,846.64/352,185 = 99,919.72/x
  3. Step 3: Cross multiply
    234,846.64x = 352,185 × 99,919.72
  4. Step 4: Simplify right side
    234,846.64x = 35,190,226,588.20
  5. Step 5: Solve for x
    x = 35,190,226,588.20/234,846.64
  6. Step 6: Final answer
    x = 149,843.43

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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.