Home / 147,701.24-203,826.67-80,633.24

Finding the Fourth Proportional to 147,701.24, 203,826.67 and 80,633.24

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Solution

The fourth proportional to 147,701.24, 203,826.67 and 80,633.24 is: 111,273.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,701.24 : 203,826.67 = 80,633.24 : x
  2. Step 2: Convert to fraction form
    147,701.24/203,826.67 = 80,633.24/x
  3. Step 3: Cross multiply
    147,701.24x = 203,826.67 × 80,633.24
  4. Step 4: Simplify right side
    147,701.24x = 16,435,204,800.51
  5. Step 5: Solve for x
    x = 16,435,204,800.51/147,701.24
  6. Step 6: Final answer
    x = 111,273.30

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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.