Home / 238,999.84-329,831.67-131,568.73

Finding the Fourth Proportional to 238,999.84, 329,831.67 and 131,568.73

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Solution

The fourth proportional to 238,999.84, 329,831.67 and 131,568.73 is: 181,571.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,999.84 : 329,831.67 = 131,568.73 : x
  2. Step 2: Convert to fraction form
    238,999.84/329,831.67 = 131,568.73/x
  3. Step 3: Cross multiply
    238,999.84x = 329,831.67 × 131,568.73
  4. Step 4: Simplify right side
    238,999.84x = 43,395,533,935.68
  5. Step 5: Solve for x
    x = 43,395,533,935.68/238,999.84
  6. Step 6: Final answer
    x = 181,571.39

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1.5x scale

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.