Home / 126,813.66-190,257.52-56,676.57

Finding the Fourth Proportional to 126,813.66, 190,257.52 and 56,676.57

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Solution

The fourth proportional to 126,813.66, 190,257.52 and 56,676.57 is: 85,031.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,813.66 : 190,257.52 = 56,676.57 : x
  2. Step 2: Convert to fraction form
    126,813.66/190,257.52 = 56,676.57/x
  3. Step 3: Cross multiply
    126,813.66x = 190,257.52 × 56,676.57
  4. Step 4: Simplify right side
    126,813.66x = 10,783,143,650.31
  5. Step 5: Solve for x
    x = 10,783,143,650.31/126,813.66
  6. Step 6: Final answer
    x = 85,031.40

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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.