Home / 148,826.83-205,377.58-80,842.28

Finding the Fourth Proportional to 148,826.83, 205,377.58 and 80,842.28

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Solution

The fourth proportional to 148,826.83, 205,377.58 and 80,842.28 is: 111,560.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,826.83 : 205,377.58 = 80,842.28 : x
  2. Step 2: Convert to fraction form
    148,826.83/205,377.58 = 80,842.28/x
  3. Step 3: Cross multiply
    148,826.83x = 205,377.58 × 80,842.28
  4. Step 4: Simplify right side
    148,826.83x = 16,603,192,836.37
  5. Step 5: Solve for x
    x = 16,603,192,836.37/148,826.83
  6. Step 6: Final answer
    x = 111,560.48

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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.