Home / 226,487.40-339,990.30-133,045.80

Finding the Fourth Proportional to 226,487.40, 339,990.30 and 133,045.80

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Solution

The fourth proportional to 226,487.40, 339,990.30 and 133,045.80 is: 199,720.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,487.40 : 339,990.30 = 133,045.80 : x
  2. Step 2: Convert to fraction form
    226,487.40/339,990.30 = 133,045.80/x
  3. Step 3: Cross multiply
    226,487.40x = 339,990.30 × 133,045.80
  4. Step 4: Simplify right side
    226,487.40x = 45,234,281,455.74
  5. Step 5: Solve for x
    x = 45,234,281,455.74/226,487.40
  6. Step 6: Final answer
    x = 199,720.96

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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.