Home / 148,974.27-205,580.21-84,449.48

Finding the Fourth Proportional to 148,974.27, 205,580.21 and 84,449.48

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Solution

The fourth proportional to 148,974.27, 205,580.21 and 84,449.48 is: 116,537.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,974.27 : 205,580.21 = 84,449.48 : x
  2. Step 2: Convert to fraction form
    148,974.27/205,580.21 = 84,449.48/x
  3. Step 3: Cross multiply
    148,974.27x = 205,580.21 × 84,449.48
  4. Step 4: Simplify right side
    148,974.27x = 17,361,140,382.64
  5. Step 5: Solve for x
    x = 17,361,140,382.64/148,974.27
  6. Step 6: Final answer
    x = 116,537.84

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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.