Home / 113,830.26-170,753.64-43,709.56

Finding the Fourth Proportional to 113,830.26, 170,753.64 and 43,709.56

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Solution

The fourth proportional to 113,830.26, 170,753.64 and 43,709.56 is: 65,567.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,830.26 : 170,753.64 = 43,709.56 : x
  2. Step 2: Convert to fraction form
    113,830.26/170,753.64 = 43,709.56/x
  3. Step 3: Cross multiply
    113,830.26x = 170,753.64 × 43,709.56
  4. Step 4: Simplify right side
    113,830.26x = 7,463,566,472.80
  5. Step 5: Solve for x
    x = 7,463,566,472.80/113,830.26
  6. Step 6: Final answer
    x = 65,567.51

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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.