Home / 110,528.10-165,986.55-107,028.90

Finding the Fourth Proportional to 110,528.10, 165,986.55 and 107,028.90

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Solution

The fourth proportional to 110,528.10, 165,986.55 and 107,028.90 is: 160,731.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,528.10 : 165,986.55 = 107,028.90 : x
  2. Step 2: Convert to fraction form
    110,528.10/165,986.55 = 107,028.90/x
  3. Step 3: Cross multiply
    110,528.10x = 165,986.55 × 107,028.90
  4. Step 4: Simplify right side
    110,528.10x = 17,765,357,861.30
  5. Step 5: Solve for x
    x = 17,765,357,861.30/110,528.10
  6. Step 6: Final answer
    x = 160,731.60

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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.