Home / 242,280.20-363,474.98-80,173.83

Finding the Fourth Proportional to 242,280.20, 363,474.98 and 80,173.83

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Solution

The fourth proportional to 242,280.20, 363,474.98 and 80,173.83 is: 120,278.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,280.20 : 363,474.98 = 80,173.83 : x
  2. Step 2: Convert to fraction form
    242,280.20/363,474.98 = 80,173.83/x
  3. Step 3: Cross multiply
    242,280.20x = 363,474.98 × 80,173.83
  4. Step 4: Simplify right side
    242,280.20x = 29,141,181,255.77
  5. Step 5: Solve for x
    x = 29,141,181,255.77/242,280.20
  6. Step 6: Final answer
    x = 120,278.84

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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.