Home / 148,242.54-204,573.19-80,257.71

Finding the Fourth Proportional to 148,242.54, 204,573.19 and 80,257.71

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Solution

The fourth proportional to 148,242.54, 204,573.19 and 80,257.71 is: 110,754.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,242.54 : 204,573.19 = 80,257.71 : x
  2. Step 2: Convert to fraction form
    148,242.54/204,573.19 = 80,257.71/x
  3. Step 3: Cross multiply
    148,242.54x = 204,573.19 × 80,257.71
  4. Step 4: Simplify right side
    148,242.54x = 16,418,575,756.79
  5. Step 5: Solve for x
    x = 16,418,575,756.79/148,242.54
  6. Step 6: Final answer
    x = 110,754.82

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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.