Home / 115,291.34-172,906.05-44,198.54

Finding the Fourth Proportional to 115,291.34, 172,906.05 and 44,198.54

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Solution

The fourth proportional to 115,291.34, 172,906.05 and 44,198.54 is: 66,285.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,291.34 : 172,906.05 = 44,198.54 : x
  2. Step 2: Convert to fraction form
    115,291.34/172,906.05 = 44,198.54/x
  3. Step 3: Cross multiply
    115,291.34x = 172,906.05 × 44,198.54
  4. Step 4: Simplify right side
    115,291.34x = 7,642,194,967.17
  5. Step 5: Solve for x
    x = 7,642,194,967.17/115,291.34
  6. Step 6: Final answer
    x = 66,285.94

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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.