Home / 110,181.32-165,206.28-43,631

Finding the Fourth Proportional to 110,181.32, 165,206.28 and 43,631

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Solution

The fourth proportional to 110,181.32, 165,206.28 and 43,631 is: 65,420.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,181.32 : 165,206.28 = 43,631 : x
  2. Step 2: Convert to fraction form
    110,181.32/165,206.28 = 43,631/x
  3. Step 3: Cross multiply
    110,181.32x = 165,206.28 × 43,631
  4. Step 4: Simplify right side
    110,181.32x = 7,208,115,202.68
  5. Step 5: Solve for x
    x = 7,208,115,202.68/110,181.32
  6. Step 6: Final answer
    x = 65,420.48

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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.