Home / 238,921.44-329,704.60-131,491.40

Finding the Fourth Proportional to 238,921.44, 329,704.60 and 131,491.40

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Solution

The fourth proportional to 238,921.44, 329,704.60 and 131,491.40 is: 181,454.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,921.44 : 329,704.60 = 131,491.40 : x
  2. Step 2: Convert to fraction form
    238,921.44/329,704.60 = 131,491.40/x
  3. Step 3: Cross multiply
    238,921.44x = 329,704.60 × 131,491.40
  4. Step 4: Simplify right side
    238,921.44x = 43,353,319,440.44
  5. Step 5: Solve for x
    x = 43,353,319,440.44/238,921.44
  6. Step 6: Final answer
    x = 181,454.29

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1.5x scale

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.