Home / 236,122.88-325,845.48-128,693.84

Finding the Fourth Proportional to 236,122.88, 325,845.48 and 128,693.84

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Solution

The fourth proportional to 236,122.88, 325,845.48 and 128,693.84 is: 177,595.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,122.88 : 325,845.48 = 128,693.84 : x
  2. Step 2: Convert to fraction form
    236,122.88/325,845.48 = 128,693.84/x
  3. Step 3: Cross multiply
    236,122.88x = 325,845.48 × 128,693.84
  4. Step 4: Simplify right side
    236,122.88x = 41,934,306,067.84
  5. Step 5: Solve for x
    x = 41,934,306,067.84/236,122.88
  6. Step 6: Final answer
    x = 177,595.27

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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.