Home / 158,833.21-238,179.88-74,617.31

Finding the Fourth Proportional to 158,833.21, 238,179.88 and 74,617.31

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Solution

The fourth proportional to 158,833.21, 238,179.88 and 74,617.31 is: 111,893.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,833.21 : 238,179.88 = 74,617.31 : x
  2. Step 2: Convert to fraction form
    158,833.21/238,179.88 = 74,617.31/x
  3. Step 3: Cross multiply
    158,833.21x = 238,179.88 × 74,617.31
  4. Step 4: Simplify right side
    158,833.21x = 17,772,341,540.84
  5. Step 5: Solve for x
    x = 17,772,341,540.84/158,833.21
  6. Step 6: Final answer
    x = 111,893.11

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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.