Home / 164,987.86-227,331.56-111,179.42

Finding the Fourth Proportional to 164,987.86, 227,331.56 and 111,179.42

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Solution

The fourth proportional to 164,987.86, 227,331.56 and 111,179.42 is: 153,190.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,987.86 : 227,331.56 = 111,179.42 : x
  2. Step 2: Convert to fraction form
    164,987.86/227,331.56 = 111,179.42/x
  3. Step 3: Cross multiply
    164,987.86x = 227,331.56 × 111,179.42
  4. Step 4: Simplify right side
    164,987.86x = 25,274,590,988.50
  5. Step 5: Solve for x
    x = 25,274,590,988.50/164,987.86
  6. Step 6: Final answer
    x = 153,190.61

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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.