Home / 147,701.11-203,826.49-80,633.11

Finding the Fourth Proportional to 147,701.11, 203,826.49 and 80,633.11

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Solution

The fourth proportional to 147,701.11, 203,826.49 and 80,633.11 is: 111,273.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,701.11 : 203,826.49 = 80,633.11 : x
  2. Step 2: Convert to fraction form
    147,701.11/203,826.49 = 80,633.11/x
  3. Step 3: Cross multiply
    147,701.11x = 203,826.49 × 80,633.11
  4. Step 4: Simplify right side
    147,701.11x = 16,435,163,789.08
  5. Step 5: Solve for x
    x = 16,435,163,789.08/147,701.11
  6. Step 6: Final answer
    x = 111,273.12

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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.