Home / 137,013.76-205,556.48-58,131.20

Finding the Fourth Proportional to 137,013.76, 205,556.48 and 58,131.20

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Solution

The fourth proportional to 137,013.76, 205,556.48 and 58,131.20 is: 87,212.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,013.76 : 205,556.48 = 58,131.20 : x
  2. Step 2: Convert to fraction form
    137,013.76/205,556.48 = 58,131.20/x
  3. Step 3: Cross multiply
    137,013.76x = 205,556.48 × 58,131.20
  4. Step 4: Simplify right side
    137,013.76x = 11,949,244,850.18
  5. Step 5: Solve for x
    x = 11,949,244,850.18/137,013.76
  6. Step 6: Final answer
    x = 87,212.01

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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.