Home / 113,201.66-156,221.30-62,215.86

Finding the Fourth Proportional to 113,201.66, 156,221.30 and 62,215.86

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Solution

The fourth proportional to 113,201.66, 156,221.30 and 62,215.86 is: 85,859.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,201.66 : 156,221.30 = 62,215.86 : x
  2. Step 2: Convert to fraction form
    113,201.66/156,221.30 = 62,215.86/x
  3. Step 3: Cross multiply
    113,201.66x = 156,221.30 × 62,215.86
  4. Step 4: Simplify right side
    113,201.66x = 9,719,442,529.82
  5. Step 5: Solve for x
    x = 9,719,442,529.82/113,201.66
  6. Step 6: Final answer
    x = 85,859.54

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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.