Home / 242,622.20-363,933.30-84,866.60

Finding the Fourth Proportional to 242,622.20, 363,933.30 and 84,866.60

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Solution

The fourth proportional to 242,622.20, 363,933.30 and 84,866.60 is: 127,299.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,622.20 : 363,933.30 = 84,866.60 : x
  2. Step 2: Convert to fraction form
    242,622.20/363,933.30 = 84,866.60/x
  3. Step 3: Cross multiply
    242,622.20x = 363,933.30 × 84,866.60
  4. Step 4: Simplify right side
    242,622.20x = 30,885,781,797.78
  5. Step 5: Solve for x
    x = 30,885,781,797.78/242,622.20
  6. Step 6: Final answer
    x = 127,299.90

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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.