Home / 148,963.86-205,567.67-80,982.52

Finding the Fourth Proportional to 148,963.86, 205,567.67 and 80,982.52

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Solution

The fourth proportional to 148,963.86, 205,567.67 and 80,982.52 is: 111,754.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,963.86 : 205,567.67 = 80,982.52 : x
  2. Step 2: Convert to fraction form
    148,963.86/205,567.67 = 80,982.52/x
  3. Step 3: Cross multiply
    148,963.86x = 205,567.67 × 80,982.52
  4. Step 4: Simplify right side
    148,963.86x = 16,647,387,635.67
  5. Step 5: Solve for x
    x = 16,647,387,635.67/148,963.86
  6. Step 6: Final answer
    x = 111,754.54

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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.