Home / 243,002.20-364,503.30-168,206.80

Finding the Fourth Proportional to 243,002.20, 364,503.30 and 168,206.80

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Solution

The fourth proportional to 243,002.20, 364,503.30 and 168,206.80 is: 252,310.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,002.20 : 364,503.30 = 168,206.80 : x
  2. Step 2: Convert to fraction form
    243,002.20/364,503.30 = 168,206.80/x
  3. Step 3: Cross multiply
    243,002.20x = 364,503.30 × 168,206.80
  4. Step 4: Simplify right side
    243,002.20x = 61,311,933,682.44
  5. Step 5: Solve for x
    x = 61,311,933,682.44/243,002.20
  6. Step 6: Final answer
    x = 252,310.20

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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.