Home / 121,833.20-182,727.44-55,257.28

Finding the Fourth Proportional to 121,833.20, 182,727.44 and 55,257.28

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Solution

The fourth proportional to 121,833.20, 182,727.44 and 55,257.28 is: 82,875.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,833.20 : 182,727.44 = 55,257.28 : x
  2. Step 2: Convert to fraction form
    121,833.20/182,727.44 = 55,257.28/x
  3. Step 3: Cross multiply
    121,833.20x = 182,727.44 × 55,257.28
  4. Step 4: Simplify right side
    121,833.20x = 10,097,021,315.76
  5. Step 5: Solve for x
    x = 10,097,021,315.76/121,833.20
  6. Step 6: Final answer
    x = 82,875.78

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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.