Home / 110,395.71-165,478.55-51,182.55

Finding the Fourth Proportional to 110,395.71, 165,478.55 and 51,182.55

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Solution

The fourth proportional to 110,395.71, 165,478.55 and 51,182.55 is: 76,720.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,395.71 : 165,478.55 = 51,182.55 : x
  2. Step 2: Convert to fraction form
    110,395.71/165,478.55 = 51,182.55/x
  3. Step 3: Cross multiply
    110,395.71x = 165,478.55 × 51,182.55
  4. Step 4: Simplify right side
    110,395.71x = 8,469,613,903.39
  5. Step 5: Solve for x
    x = 8,469,613,903.39/110,395.71
  6. Step 6: Final answer
    x = 76,720.50

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1.5x scale

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.