Home / 126,286.44-189,408.54-46,307.88

Finding the Fourth Proportional to 126,286.44, 189,408.54 and 46,307.88

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Solution

The fourth proportional to 126,286.44, 189,408.54 and 46,307.88 is: 69,454.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,286.44 : 189,408.54 = 46,307.88 : x
  2. Step 2: Convert to fraction form
    126,286.44/189,408.54 = 46,307.88/x
  3. Step 3: Cross multiply
    126,286.44x = 189,408.54 × 46,307.88
  4. Step 4: Simplify right side
    126,286.44x = 8,771,107,941.30
  5. Step 5: Solve for x
    x = 8,771,107,941.30/126,286.44
  6. Step 6: Final answer
    x = 69,454.08

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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.