Home / 159,829.58-239,667.78-75,519.56

Finding the Fourth Proportional to 159,829.58, 239,667.78 and 75,519.56

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Solution

The fourth proportional to 159,829.58, 239,667.78 and 75,519.56 is: 113,243.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,829.58 : 239,667.78 = 75,519.56 : x
  2. Step 2: Convert to fraction form
    159,829.58/239,667.78 = 75,519.56/x
  3. Step 3: Cross multiply
    159,829.58x = 239,667.78 × 75,519.56
  4. Step 4: Simplify right side
    159,829.58x = 18,099,605,291.78
  5. Step 5: Solve for x
    x = 18,099,605,291.78/159,829.58
  6. Step 6: Final answer
    x = 113,243.15

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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.