Home / 108,863.25-150,204.99-63,515.34

Finding the Fourth Proportional to 108,863.25, 150,204.99 and 63,515.34

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Solution

The fourth proportional to 108,863.25, 150,204.99 and 63,515.34 is: 87,635.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,863.25 : 150,204.99 = 63,515.34 : x
  2. Step 2: Convert to fraction form
    108,863.25/150,204.99 = 63,515.34/x
  3. Step 3: Cross multiply
    108,863.25x = 150,204.99 × 63,515.34
  4. Step 4: Simplify right side
    108,863.25x = 9,540,321,009.55
  5. Step 5: Solve for x
    x = 9,540,321,009.55/108,863.25
  6. Step 6: Final answer
    x = 87,635.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.