Home / 121,880.03-182,842.92-55,324.84

Finding the Fourth Proportional to 121,880.03, 182,842.92 and 55,324.84

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Solution

The fourth proportional to 121,880.03, 182,842.92 and 55,324.84 is: 82,997.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,880.03 : 182,842.92 = 55,324.84 : x
  2. Step 2: Convert to fraction form
    121,880.03/182,842.92 = 55,324.84/x
  3. Step 3: Cross multiply
    121,880.03x = 182,842.92 × 55,324.84
  4. Step 4: Simplify right side
    121,880.03x = 10,115,754,379.92
  5. Step 5: Solve for x
    x = 10,115,754,379.92/121,880.03
  6. Step 6: Final answer
    x = 82,997.64

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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.