Home / 110,400.10-165,519.15-43,807.30

Finding the Fourth Proportional to 110,400.10, 165,519.15 and 43,807.30

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Solution

The fourth proportional to 110,400.10, 165,519.15 and 43,807.30 is: 65,678.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,400.10 : 165,519.15 = 43,807.30 : x
  2. Step 2: Convert to fraction form
    110,400.10/165,519.15 = 43,807.30/x
  3. Step 3: Cross multiply
    110,400.10x = 165,519.15 × 43,807.30
  4. Step 4: Simplify right side
    110,400.10x = 7,250,947,059.80
  5. Step 5: Solve for x
    x = 7,250,947,059.80/110,400.10
  6. Step 6: Final answer
    x = 65,678.81

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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.