Home / 351,665.12-527,562.48-115,020.38

Finding the Fourth Proportional to 351,665.12, 527,562.48 and 115,020.38

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Solution

The fourth proportional to 351,665.12, 527,562.48 and 115,020.38 is: 172,551.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,665.12 : 527,562.48 = 115,020.38 : x
  2. Step 2: Convert to fraction form
    351,665.12/527,562.48 = 115,020.38/x
  3. Step 3: Cross multiply
    351,665.12x = 527,562.48 × 115,020.38
  4. Step 4: Simplify right side
    351,665.12x = 60,680,436,923.34
  5. Step 5: Solve for x
    x = 60,680,436,923.34/351,665.12
  6. Step 6: Final answer
    x = 172,551.76

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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.