Home / 263,000.30-394,500.45-163,273.10

Finding the Fourth Proportional to 263,000.30, 394,500.45 and 163,273.10

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Solution

The fourth proportional to 263,000.30, 394,500.45 and 163,273.10 is: 244,909.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,000.30 : 394,500.45 = 163,273.10 : x
  2. Step 2: Convert to fraction form
    263,000.30/394,500.45 = 163,273.10/x
  3. Step 3: Cross multiply
    263,000.30x = 394,500.45 × 163,273.10
  4. Step 4: Simplify right side
    263,000.30x = 64,411,311,422.90
  5. Step 5: Solve for x
    x = 64,411,311,422.90/263,000.30
  6. Step 6: Final answer
    x = 244,909.65

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1.5x scale

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.