Home / 263,017.56-394,807.14-113,331.72

Finding the Fourth Proportional to 263,017.56, 394,807.14 and 113,331.72

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Solution

The fourth proportional to 263,017.56, 394,807.14 and 113,331.72 is: 170,118.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,017.56 : 394,807.14 = 113,331.72 : x
  2. Step 2: Convert to fraction form
    263,017.56/394,807.14 = 113,331.72/x
  3. Step 3: Cross multiply
    263,017.56x = 394,807.14 × 113,331.72
  4. Step 4: Simplify right side
    263,017.56x = 44,744,172,244.48
  5. Step 5: Solve for x
    x = 44,744,172,244.48/263,017.56
  6. Step 6: Final answer
    x = 170,118.57

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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.