Home / 238,642.22-329,317.41-131,205.86

Finding the Fourth Proportional to 238,642.22, 329,317.41 and 131,205.86

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Solution

The fourth proportional to 238,642.22, 329,317.41 and 131,205.86 is: 181,059.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,642.22 : 329,317.41 = 131,205.86 : x
  2. Step 2: Convert to fraction form
    238,642.22/329,317.41 = 131,205.86/x
  3. Step 3: Cross multiply
    238,642.22x = 329,317.41 × 131,205.86
  4. Step 4: Simplify right side
    238,642.22x = 43,208,373,992.02
  5. Step 5: Solve for x
    x = 43,208,373,992.02/238,642.22
  6. Step 6: Final answer
    x = 181,059.22

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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.