Home / 138,010.14-207,046.41-49,273.02

Finding the Fourth Proportional to 138,010.14, 207,046.41 and 49,273.02

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Solution

The fourth proportional to 138,010.14, 207,046.41 and 49,273.02 is: 73,920.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,010.14 : 207,046.41 = 49,273.02 : x
  2. Step 2: Convert to fraction form
    138,010.14/207,046.41 = 49,273.02/x
  3. Step 3: Cross multiply
    138,010.14x = 207,046.41 × 49,273.02
  4. Step 4: Simplify right side
    138,010.14x = 10,201,801,900.86
  5. Step 5: Solve for x
    x = 10,201,801,900.86/138,010.14
  6. Step 6: Final answer
    x = 73,920.67

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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.