Home / 238,749.50-329,474.48-131,327.70

Finding the Fourth Proportional to 238,749.50, 329,474.48 and 131,327.70

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Solution

The fourth proportional to 238,749.50, 329,474.48 and 131,327.70 is: 181,232.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,749.50 : 329,474.48 = 131,327.70 : x
  2. Step 2: Convert to fraction form
    238,749.50/329,474.48 = 131,327.70/x
  3. Step 3: Cross multiply
    238,749.50x = 329,474.48 × 131,327.70
  4. Step 4: Simplify right side
    238,749.50x = 43,269,125,667.10
  5. Step 5: Solve for x
    x = 43,269,125,667.10/238,749.50
  6. Step 6: Final answer
    x = 181,232.32

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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.