Home / 126,513.42-189,742.11-36,536.60

Finding the Fourth Proportional to 126,513.42, 189,742.11 and 36,536.60

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Solution

The fourth proportional to 126,513.42, 189,742.11 and 36,536.60 is: 54,796.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,513.42 : 189,742.11 = 36,536.60 : x
  2. Step 2: Convert to fraction form
    126,513.42/189,742.11 = 36,536.60/x
  3. Step 3: Cross multiply
    126,513.42x = 189,742.11 × 36,536.60
  4. Step 4: Simplify right side
    126,513.42x = 6,932,530,627.52
  5. Step 5: Solve for x
    x = 6,932,530,627.52/126,513.42
  6. Step 6: Final answer
    x = 54,796.80

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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.