Home / 226,406.87-339,671.55-76,647.17

Finding the Fourth Proportional to 226,406.87, 339,671.55 and 76,647.17

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Solution

The fourth proportional to 226,406.87, 339,671.55 and 76,647.17 is: 114,991.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,406.87 : 339,671.55 = 76,647.17 : x
  2. Step 2: Convert to fraction form
    226,406.87/339,671.55 = 76,647.17/x
  3. Step 3: Cross multiply
    226,406.87x = 339,671.55 × 76,647.17
  4. Step 4: Simplify right side
    226,406.87x = 26,034,863,002.72
  5. Step 5: Solve for x
    x = 26,034,863,002.72/226,406.87
  6. Step 6: Final answer
    x = 114,991.49

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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.