Home / 239,831.64-330,965.67-132,399.38

Finding the Fourth Proportional to 239,831.64, 330,965.67 and 132,399.38

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Solution

The fourth proportional to 239,831.64, 330,965.67 and 132,399.38 is: 182,710.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,831.64 : 330,965.67 = 132,399.38 : x
  2. Step 2: Convert to fraction form
    239,831.64/330,965.67 = 132,399.38/x
  3. Step 3: Cross multiply
    239,831.64x = 330,965.67 × 132,399.38
  4. Step 4: Simplify right side
    239,831.64x = 43,819,647,854.46
  5. Step 5: Solve for x
    x = 43,819,647,854.46/239,831.64
  6. Step 6: Final answer
    x = 182,710.04

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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.