Home / 239,811.41-330,942.03-132,379.13

Finding the Fourth Proportional to 239,811.41, 330,942.03 and 132,379.13

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Solution

The fourth proportional to 239,811.41, 330,942.03 and 132,379.13 is: 182,684.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,811.41 : 330,942.03 = 132,379.13 : x
  2. Step 2: Convert to fraction form
    239,811.41/330,942.03 = 132,379.13/x
  3. Step 3: Cross multiply
    239,811.41x = 330,942.03 × 132,379.13
  4. Step 4: Simplify right side
    239,811.41x = 43,809,818,011.83
  5. Step 5: Solve for x
    x = 43,809,818,011.83/239,811.41
  6. Step 6: Final answer
    x = 182,684.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.