Home / 110,309.28-165,405.60-40,182.72

Finding the Fourth Proportional to 110,309.28, 165,405.60 and 40,182.72

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Solution

The fourth proportional to 110,309.28, 165,405.60 and 40,182.72 is: 60,252.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,309.28 : 165,405.60 = 40,182.72 : x
  2. Step 2: Convert to fraction form
    110,309.28/165,405.60 = 40,182.72/x
  3. Step 3: Cross multiply
    110,309.28x = 165,405.60 × 40,182.72
  4. Step 4: Simplify right side
    110,309.28x = 6,646,446,911.23
  5. Step 5: Solve for x
    x = 6,646,446,911.23/110,309.28
  6. Step 6: Final answer
    x = 60,252.84

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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.