Home / 118,558.64-163,536.12-82,735.58

Finding the Fourth Proportional to 118,558.64, 163,536.12 and 82,735.58

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Solution

The fourth proportional to 118,558.64, 163,536.12 and 82,735.58 is: 114,122.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,558.64 : 163,536.12 = 82,735.58 : x
  2. Step 2: Convert to fraction form
    118,558.64/163,536.12 = 82,735.58/x
  3. Step 3: Cross multiply
    118,558.64x = 163,536.12 × 82,735.58
  4. Step 4: Simplify right side
    118,558.64x = 13,530,256,147.99
  5. Step 5: Solve for x
    x = 13,530,256,147.99/118,558.64
  6. Step 6: Final answer
    x = 114,122.90

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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.