Home / 230,765.12-346,190.40-73,033.28

Finding the Fourth Proportional to 230,765.12, 346,190.40 and 73,033.28

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Solution

The fourth proportional to 230,765.12, 346,190.40 and 73,033.28 is: 109,563.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,765.12 : 346,190.40 = 73,033.28 : x
  2. Step 2: Convert to fraction form
    230,765.12/346,190.40 = 73,033.28/x
  3. Step 3: Cross multiply
    230,765.12x = 346,190.40 × 73,033.28
  4. Step 4: Simplify right side
    230,765.12x = 25,283,420,416.51
  5. Step 5: Solve for x
    x = 25,283,420,416.51/230,765.12
  6. Step 6: Final answer
    x = 109,563.44

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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.