Home / 238,680.35-329,387.36-131,258.55

Finding the Fourth Proportional to 238,680.35, 329,387.36 and 131,258.55

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Solution

The fourth proportional to 238,680.35, 329,387.36 and 131,258.55 is: 181,141.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,680.35 : 329,387.36 = 131,258.55 : x
  2. Step 2: Convert to fraction form
    238,680.35/329,387.36 = 131,258.55/x
  3. Step 3: Cross multiply
    238,680.35x = 329,387.36 × 131,258.55
  4. Step 4: Simplify right side
    238,680.35x = 43,234,906,605.64
  5. Step 5: Solve for x
    x = 43,234,906,605.64/238,680.35
  6. Step 6: Final answer
    x = 181,141.46

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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.