Home / 121,991.23-182,968.14-33,251.86

Finding the Fourth Proportional to 121,991.23, 182,968.14 and 33,251.86

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Solution

The fourth proportional to 121,991.23, 182,968.14 and 33,251.86 is: 49,872.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,991.23 : 182,968.14 = 33,251.86 : x
  2. Step 2: Convert to fraction form
    121,991.23/182,968.14 = 33,251.86/x
  3. Step 3: Cross multiply
    121,991.23x = 182,968.14 × 33,251.86
  4. Step 4: Simplify right side
    121,991.23x = 6,084,030,975.74
  5. Step 5: Solve for x
    x = 6,084,030,975.74/121,991.23
  6. Step 6: Final answer
    x = 49,872.69

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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.