Home / 238,989.36-329,814.72-131,569.44

Finding the Fourth Proportional to 238,989.36, 329,814.72 and 131,569.44

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Solution

The fourth proportional to 238,989.36, 329,814.72 and 131,569.44 is: 181,571.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,989.36 : 329,814.72 = 131,569.44 : x
  2. Step 2: Convert to fraction form
    238,989.36/329,814.72 = 131,569.44/x
  3. Step 3: Cross multiply
    238,989.36x = 329,814.72 × 131,569.44
  4. Step 4: Simplify right side
    238,989.36x = 43,393,538,014.16
  5. Step 5: Solve for x
    x = 43,393,538,014.16/238,989.36
  6. Step 6: Final answer
    x = 181,571.00

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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.