Home / 148,836.80-223,255.20-115,659.20

Finding the Fourth Proportional to 148,836.80, 223,255.20 and 115,659.20

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Solution

The fourth proportional to 148,836.80, 223,255.20 and 115,659.20 is: 173,488.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,836.80 : 223,255.20 = 115,659.20 : x
  2. Step 2: Convert to fraction form
    148,836.80/223,255.20 = 115,659.20/x
  3. Step 3: Cross multiply
    148,836.80x = 223,255.20 × 115,659.20
  4. Step 4: Simplify right side
    148,836.80x = 25,821,517,827.84
  5. Step 5: Solve for x
    x = 25,821,517,827.84/148,836.80
  6. Step 6: Final answer
    x = 173,488.80

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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.