Home / 146,734.80-220,102.20-75,657.30

Finding the Fourth Proportional to 146,734.80, 220,102.20 and 75,657.30

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Solution

The fourth proportional to 146,734.80, 220,102.20 and 75,657.30 is: 113,485.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,734.80 : 220,102.20 = 75,657.30 : x
  2. Step 2: Convert to fraction form
    146,734.80/220,102.20 = 75,657.30/x
  3. Step 3: Cross multiply
    146,734.80x = 220,102.20 × 75,657.30
  4. Step 4: Simplify right side
    146,734.80x = 16,652,338,176.06
  5. Step 5: Solve for x
    x = 16,652,338,176.06/146,734.80
  6. Step 6: Final answer
    x = 113,485.95

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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.