Home / 126,255.44-189,383.16-43,150.16

Finding the Fourth Proportional to 126,255.44, 189,383.16 and 43,150.16

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Solution

The fourth proportional to 126,255.44, 189,383.16 and 43,150.16 is: 64,725.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,255.44 : 189,383.16 = 43,150.16 : x
  2. Step 2: Convert to fraction form
    126,255.44/189,383.16 = 43,150.16/x
  3. Step 3: Cross multiply
    126,255.44x = 189,383.16 × 43,150.16
  4. Step 4: Simplify right side
    126,255.44x = 8,171,913,655.31
  5. Step 5: Solve for x
    x = 8,171,913,655.31/126,255.44
  6. Step 6: Final answer
    x = 64,725.24

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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.