Home / 148,763.25-223,144.88-141,288.57

Finding the Fourth Proportional to 148,763.25, 223,144.88 and 141,288.57

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Solution

The fourth proportional to 148,763.25, 223,144.88 and 141,288.57 is: 211,932.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,763.25 : 223,144.88 = 141,288.57 : x
  2. Step 2: Convert to fraction form
    148,763.25/223,144.88 = 141,288.57/x
  3. Step 3: Cross multiply
    148,763.25x = 223,144.88 × 141,288.57
  4. Step 4: Simplify right side
    148,763.25x = 31,527,820,291.58
  5. Step 5: Solve for x
    x = 31,527,820,291.58/148,763.25
  6. Step 6: Final answer
    x = 211,932.86

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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.