Home / 238,891.36-329,661.81-131,451.34

Finding the Fourth Proportional to 238,891.36, 329,661.81 and 131,451.34

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Solution

The fourth proportional to 238,891.36, 329,661.81 and 131,451.34 is: 181,398.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,891.36 : 329,661.81 = 131,451.34 : x
  2. Step 2: Convert to fraction form
    238,891.36/329,661.81 = 131,451.34/x
  3. Step 3: Cross multiply
    238,891.36x = 329,661.81 × 131,451.34
  4. Step 4: Simplify right side
    238,891.36x = 43,334,486,671.33
  5. Step 5: Solve for x
    x = 43,334,486,671.33/238,891.36
  6. Step 6: Final answer
    x = 181,398.30

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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.