Home / 185,912.12-278,865.95-67,582.46

Finding the Fourth Proportional to 185,912.12, 278,865.95 and 67,582.46

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Solution

The fourth proportional to 185,912.12, 278,865.95 and 67,582.46 is: 101,372.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,912.12 : 278,865.95 = 67,582.46 : x
  2. Step 2: Convert to fraction form
    185,912.12/278,865.95 = 67,582.46/x
  3. Step 3: Cross multiply
    185,912.12x = 278,865.95 × 67,582.46
  4. Step 4: Simplify right side
    185,912.12x = 18,846,445,179.00
  5. Step 5: Solve for x
    x = 18,846,445,179.00/185,912.12
  6. Step 6: Final answer
    x = 101,372.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.