Home / 361,723.21-499,184.90-198,369.37

Finding the Fourth Proportional to 361,723.21, 499,184.90 and 198,369.37

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Solution

The fourth proportional to 361,723.21, 499,184.90 and 198,369.37 is: 273,753.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,723.21 : 499,184.90 = 198,369.37 : x
  2. Step 2: Convert to fraction form
    361,723.21/499,184.90 = 198,369.37/x
  3. Step 3: Cross multiply
    361,723.21x = 499,184.90 × 198,369.37
  4. Step 4: Simplify right side
    361,723.21x = 99,022,994,126.51
  5. Step 5: Solve for x
    x = 99,022,994,126.51/361,723.21
  6. Step 6: Final answer
    x = 273,753.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.