Home / 113,628.60-156,955.86-92,198.43

Finding the Fourth Proportional to 113,628.60, 156,955.86 and 92,198.43

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Solution

The fourth proportional to 113,628.60, 156,955.86 and 92,198.43 is: 127,354.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,628.60 : 156,955.86 = 92,198.43 : x
  2. Step 2: Convert to fraction form
    113,628.60/156,955.86 = 92,198.43/x
  3. Step 3: Cross multiply
    113,628.60x = 156,955.86 × 92,198.43
  4. Step 4: Simplify right side
    113,628.60x = 14,471,083,871.30
  5. Step 5: Solve for x
    x = 14,471,083,871.30/113,628.60
  6. Step 6: Final answer
    x = 127,354.24

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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.