Home / 158,474.22-238,007.46-139,505.64

Finding the Fourth Proportional to 158,474.22, 238,007.46 and 139,505.64

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Solution

The fourth proportional to 158,474.22, 238,007.46 and 139,505.64 is: 209,519.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,474.22 : 238,007.46 = 139,505.64 : x
  2. Step 2: Convert to fraction form
    158,474.22/238,007.46 = 139,505.64/x
  3. Step 3: Cross multiply
    158,474.22x = 238,007.46 × 139,505.64
  4. Step 4: Simplify right side
    158,474.22x = 33,203,383,032.07
  5. Step 5: Solve for x
    x = 33,203,383,032.07/158,474.22
  6. Step 6: Final answer
    x = 209,519.14

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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.