Home / 218,831.64-327,314.34-134,384.28

Finding the Fourth Proportional to 218,831.64, 327,314.34 and 134,384.28

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Solution

The fourth proportional to 218,831.64, 327,314.34 and 134,384.28 is: 201,003.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,831.64 : 327,314.34 = 134,384.28 : x
  2. Step 2: Convert to fraction form
    218,831.64/327,314.34 = 134,384.28/x
  3. Step 3: Cross multiply
    218,831.64x = 327,314.34 × 134,384.28
  4. Step 4: Simplify right side
    218,831.64x = 43,985,901,914.58
  5. Step 5: Solve for x
    x = 43,985,901,914.58/218,831.64
  6. Step 6: Final answer
    x = 201,003.39

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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.