Home / 159,093.36-238,634.40-40,765.80

Finding the Fourth Proportional to 159,093.36, 238,634.40 and 40,765.80

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Solution

The fourth proportional to 159,093.36, 238,634.40 and 40,765.80 is: 61,147.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,093.36 : 238,634.40 = 40,765.80 : x
  2. Step 2: Convert to fraction form
    159,093.36/238,634.40 = 40,765.80/x
  3. Step 3: Cross multiply
    159,093.36x = 238,634.40 × 40,765.80
  4. Step 4: Simplify right side
    159,093.36x = 9,728,122,223.52
  5. Step 5: Solve for x
    x = 9,728,122,223.52/159,093.36
  6. Step 6: Final answer
    x = 61,147.25

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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.