Home / 110,100.60-165,021.30-82,366.20

Finding the Fourth Proportional to 110,100.60, 165,021.30 and 82,366.20

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Solution

The fourth proportional to 110,100.60, 165,021.30 and 82,366.20 is: 123,452.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,100.60 : 165,021.30 = 82,366.20 : x
  2. Step 2: Convert to fraction form
    110,100.60/165,021.30 = 82,366.20/x
  3. Step 3: Cross multiply
    110,100.60x = 165,021.30 × 82,366.20
  4. Step 4: Simplify right side
    110,100.60x = 13,592,177,400.06
  5. Step 5: Solve for x
    x = 13,592,177,400.06/110,100.60
  6. Step 6: Final answer
    x = 123,452.35

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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.