Home / 238,736.64-329,449.60-131,306.56

Finding the Fourth Proportional to 238,736.64, 329,449.60 and 131,306.56

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Solution

The fourth proportional to 238,736.64, 329,449.60 and 131,306.56 is: 181,199.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,736.64 : 329,449.60 = 131,306.56 : x
  2. Step 2: Convert to fraction form
    238,736.64/329,449.60 = 131,306.56/x
  3. Step 3: Cross multiply
    238,736.64x = 329,449.60 × 131,306.56
  4. Step 4: Simplify right side
    238,736.64x = 43,258,893,669.38
  5. Step 5: Solve for x
    x = 43,258,893,669.38/238,736.64
  6. Step 6: Final answer
    x = 181,199.22

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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.