Home / 238,724.73-329,447.07-131,301.72

Finding the Fourth Proportional to 238,724.73, 329,447.07 and 131,301.72

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Solution

The fourth proportional to 238,724.73, 329,447.07 and 131,301.72 is: 181,200.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,724.73 : 329,447.07 = 131,301.72 : x
  2. Step 2: Convert to fraction form
    238,724.73/329,447.07 = 131,301.72/x
  3. Step 3: Cross multiply
    238,724.73x = 329,447.07 × 131,301.72
  4. Step 4: Simplify right side
    238,724.73x = 43,256,966,939.96
  5. Step 5: Solve for x
    x = 43,256,966,939.96/238,724.73
  6. Step 6: Final answer
    x = 181,200.19

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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.