Home / 242,216.20-363,065.10-109,073.80

Finding the Fourth Proportional to 242,216.20, 363,065.10 and 109,073.80

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Solution

The fourth proportional to 242,216.20, 363,065.10 and 109,073.80 is: 163,493.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,216.20 : 363,065.10 = 109,073.80 : x
  2. Step 2: Convert to fraction form
    242,216.20/363,065.10 = 109,073.80/x
  3. Step 3: Cross multiply
    242,216.20x = 363,065.10 × 109,073.80
  4. Step 4: Simplify right side
    242,216.20x = 39,600,890,104.38
  5. Step 5: Solve for x
    x = 39,600,890,104.38/242,216.20
  6. Step 6: Final answer
    x = 163,493.98

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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.