Home / 110,443.20-165,759.28-43,930.16

Finding the Fourth Proportional to 110,443.20, 165,759.28 and 43,930.16

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Solution

The fourth proportional to 110,443.20, 165,759.28 and 43,930.16 is: 65,932.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,443.20 : 165,759.28 = 43,930.16 : x
  2. Step 2: Convert to fraction form
    110,443.20/165,759.28 = 43,930.16/x
  3. Step 3: Cross multiply
    110,443.20x = 165,759.28 × 43,930.16
  4. Step 4: Simplify right side
    110,443.20x = 7,281,831,691.88
  5. Step 5: Solve for x
    x = 7,281,831,691.88/110,443.20
  6. Step 6: Final answer
    x = 65,932.82

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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.