Home / 156,799.20-235,198.80-73,855.20

Finding the Fourth Proportional to 156,799.20, 235,198.80 and 73,855.20

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Solution

The fourth proportional to 156,799.20, 235,198.80 and 73,855.20 is: 110,782.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,799.20 : 235,198.80 = 73,855.20 : x
  2. Step 2: Convert to fraction form
    156,799.20/235,198.80 = 73,855.20/x
  3. Step 3: Cross multiply
    156,799.20x = 235,198.80 × 73,855.20
  4. Step 4: Simplify right side
    156,799.20x = 17,370,654,413.76
  5. Step 5: Solve for x
    x = 17,370,654,413.76/156,799.20
  6. Step 6: Final answer
    x = 110,782.80

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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.