Home / 148,808.82-205,357.68-80,826.46

Finding the Fourth Proportional to 148,808.82, 205,357.68 and 80,826.46

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Solution

The fourth proportional to 148,808.82, 205,357.68 and 80,826.46 is: 111,541.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,808.82 : 205,357.68 = 80,826.46 : x
  2. Step 2: Convert to fraction form
    148,808.82/205,357.68 = 80,826.46/x
  3. Step 3: Cross multiply
    148,808.82x = 205,357.68 × 80,826.46
  4. Step 4: Simplify right side
    148,808.82x = 16,598,334,308.21
  5. Step 5: Solve for x
    x = 16,598,334,308.21/148,808.82
  6. Step 6: Final answer
    x = 111,541.33

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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.