Home / 175,961.40-263,942.10-172,462.20

Finding the Fourth Proportional to 175,961.40, 263,942.10 and 172,462.20

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Solution

The fourth proportional to 175,961.40, 263,942.10 and 172,462.20 is: 258,693.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,961.40 : 263,942.10 = 172,462.20 : x
  2. Step 2: Convert to fraction form
    175,961.40/263,942.10 = 172,462.20/x
  3. Step 3: Cross multiply
    175,961.40x = 263,942.10 × 172,462.20
  4. Step 4: Simplify right side
    175,961.40x = 45,520,035,238.62
  5. Step 5: Solve for x
    x = 45,520,035,238.62/175,961.40
  6. Step 6: Final answer
    x = 258,693.30

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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.