Home / 119,318.54-179,011.22-40,438.71

Finding the Fourth Proportional to 119,318.54, 179,011.22 and 40,438.71

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Solution

The fourth proportional to 119,318.54, 179,011.22 and 40,438.71 is: 60,669.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,318.54 : 179,011.22 = 40,438.71 : x
  2. Step 2: Convert to fraction form
    119,318.54/179,011.22 = 40,438.71/x
  3. Step 3: Cross multiply
    119,318.54x = 179,011.22 × 40,438.71
  4. Step 4: Simplify right side
    119,318.54x = 7,238,982,610.13
  5. Step 5: Solve for x
    x = 7,238,982,610.13/119,318.54
  6. Step 6: Final answer
    x = 60,669.39

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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.