Home / 239,831.63-330,958.98-132,399.36

Finding the Fourth Proportional to 239,831.63, 330,958.98 and 132,399.36

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Solution

The fourth proportional to 239,831.63, 330,958.98 and 132,399.36 is: 182,706.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,831.63 : 330,958.98 = 132,399.36 : x
  2. Step 2: Convert to fraction form
    239,831.63/330,958.98 = 132,399.36/x
  3. Step 3: Cross multiply
    239,831.63x = 330,958.98 × 132,399.36
  4. Step 4: Simplify right side
    239,831.63x = 43,818,757,138.25
  5. Step 5: Solve for x
    x = 43,818,757,138.25/239,831.63
  6. Step 6: Final answer
    x = 182,706.33

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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.