Home / 261,201.13-391,301.10-176,815.73

Finding the Fourth Proportional to 261,201.13, 391,301.10 and 176,815.73

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Solution

The fourth proportional to 261,201.13, 391,301.10 and 176,815.73 is: 264,884.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,201.13 : 391,301.10 = 176,815.73 : x
  2. Step 2: Convert to fraction form
    261,201.13/391,301.10 = 176,815.73/x
  3. Step 3: Cross multiply
    261,201.13x = 391,301.10 × 176,815.73
  4. Step 4: Simplify right side
    261,201.13x = 69,188,190,624.56
  5. Step 5: Solve for x
    x = 69,188,190,624.56/261,201.13
  6. Step 6: Final answer
    x = 264,884.73

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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.