Home / 148,568.07-205,022.75-80,584.88

Finding the Fourth Proportional to 148,568.07, 205,022.75 and 80,584.88

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Solution

The fourth proportional to 148,568.07, 205,022.75 and 80,584.88 is: 111,206.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,568.07 : 205,022.75 = 80,584.88 : x
  2. Step 2: Convert to fraction form
    148,568.07/205,022.75 = 80,584.88/x
  3. Step 3: Cross multiply
    148,568.07x = 205,022.75 × 80,584.88
  4. Step 4: Simplify right side
    148,568.07x = 16,521,732,277.98
  5. Step 5: Solve for x
    x = 16,521,732,277.98/148,568.07
  6. Step 6: Final answer
    x = 111,206.48

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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.