Home / 109,900.60-164,729.40-43,318.60

Finding the Fourth Proportional to 109,900.60, 164,729.40 and 43,318.60

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Solution

The fourth proportional to 109,900.60, 164,729.40 and 43,318.60 is: 64,930.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,900.60 : 164,729.40 = 43,318.60 : x
  2. Step 2: Convert to fraction form
    109,900.60/164,729.40 = 43,318.60/x
  3. Step 3: Cross multiply
    109,900.60x = 164,729.40 × 43,318.60
  4. Step 4: Simplify right side
    109,900.60x = 7,135,846,986.84
  5. Step 5: Solve for x
    x = 7,135,846,986.84/109,900.60
  6. Step 6: Final answer
    x = 64,930.01

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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.