Home / 274,154.20-411,231.30-163,562.20

Finding the Fourth Proportional to 274,154.20, 411,231.30 and 163,562.20

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Solution

The fourth proportional to 274,154.20, 411,231.30 and 163,562.20 is: 245,343.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,154.20 : 411,231.30 = 163,562.20 : x
  2. Step 2: Convert to fraction form
    274,154.20/411,231.30 = 163,562.20/x
  3. Step 3: Cross multiply
    274,154.20x = 411,231.30 × 163,562.20
  4. Step 4: Simplify right side
    274,154.20x = 67,261,896,136.86
  5. Step 5: Solve for x
    x = 67,261,896,136.86/274,154.20
  6. Step 6: Final answer
    x = 245,343.30

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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.