Home / 158,939.12-238,067.40-149,633.84

Finding the Fourth Proportional to 158,939.12, 238,067.40 and 149,633.84

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Solution

The fourth proportional to 158,939.12, 238,067.40 and 149,633.84 is: 224,129.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,939.12 : 238,067.40 = 149,633.84 : x
  2. Step 2: Convert to fraction form
    158,939.12/238,067.40 = 149,633.84/x
  3. Step 3: Cross multiply
    158,939.12x = 238,067.40 × 149,633.84
  4. Step 4: Simplify right side
    158,939.12x = 35,622,939,240.82
  5. Step 5: Solve for x
    x = 35,622,939,240.82/158,939.12
  6. Step 6: Final answer
    x = 224,129.46

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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.