Home / 158,786.08-238,224.24-129,481.12

Finding the Fourth Proportional to 158,786.08, 238,224.24 and 129,481.12

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Solution

The fourth proportional to 158,786.08, 238,224.24 and 129,481.12 is: 194,258.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,786.08 : 238,224.24 = 129,481.12 : x
  2. Step 2: Convert to fraction form
    158,786.08/238,224.24 = 129,481.12/x
  3. Step 3: Cross multiply
    158,786.08x = 238,224.24 × 129,481.12
  4. Step 4: Simplify right side
    158,786.08x = 30,845,541,406.35
  5. Step 5: Solve for x
    x = 30,845,541,406.35/158,786.08
  6. Step 6: Final answer
    x = 194,258.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.