Home / 148,827.83-205,378.96-80,843.28

Finding the Fourth Proportional to 148,827.83, 205,378.96 and 80,843.28

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Solution

The fourth proportional to 148,827.83, 205,378.96 and 80,843.28 is: 111,561.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,827.83 : 205,378.96 = 80,843.28 : x
  2. Step 2: Convert to fraction form
    148,827.83/205,378.96 = 80,843.28/x
  3. Step 3: Cross multiply
    148,827.83x = 205,378.96 × 80,843.28
  4. Step 4: Simplify right side
    148,827.83x = 16,603,508,769.39
  5. Step 5: Solve for x
    x = 16,603,508,769.39/148,827.83
  6. Step 6: Final answer
    x = 111,561.85

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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.