Home / 126,027.12-173,954.10-82,425.86

Finding the Fourth Proportional to 126,027.12, 173,954.10 and 82,425.86

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Solution

The fourth proportional to 126,027.12, 173,954.10 and 82,425.86 is: 113,771.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,027.12 : 173,954.10 = 82,425.86 : x
  2. Step 2: Convert to fraction form
    126,027.12/173,954.10 = 82,425.86/x
  3. Step 3: Cross multiply
    126,027.12x = 173,954.10 × 82,425.86
  4. Step 4: Simplify right side
    126,027.12x = 14,338,316,293.03
  5. Step 5: Solve for x
    x = 14,338,316,293.03/126,027.12
  6. Step 6: Final answer
    x = 113,771.67

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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.