Home / 261,908.56-361,436.34-148,732.12

Finding the Fourth Proportional to 261,908.56, 361,436.34 and 148,732.12

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Solution

The fourth proportional to 261,908.56, 361,436.34 and 148,732.12 is: 205,251.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,908.56 : 361,436.34 = 148,732.12 : x
  2. Step 2: Convert to fraction form
    261,908.56/361,436.34 = 148,732.12/x
  3. Step 3: Cross multiply
    261,908.56x = 361,436.34 × 148,732.12
  4. Step 4: Simplify right side
    261,908.56x = 53,757,193,093.24
  5. Step 5: Solve for x
    x = 53,757,193,093.24/261,908.56
  6. Step 6: Final answer
    x = 205,251.76

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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.