Home / 199,279.90-274,996.07-108,626.93

Finding the Fourth Proportional to 199,279.90, 274,996.07 and 108,626.93

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Solution

The fourth proportional to 199,279.90, 274,996.07 and 108,626.93 is: 149,899.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,279.90 : 274,996.07 = 108,626.93 : x
  2. Step 2: Convert to fraction form
    199,279.90/274,996.07 = 108,626.93/x
  3. Step 3: Cross multiply
    199,279.90x = 274,996.07 × 108,626.93
  4. Step 4: Simplify right side
    199,279.90x = 29,871,978,846.17
  5. Step 5: Solve for x
    x = 29,871,978,846.17/199,279.90
  6. Step 6: Final answer
    x = 149,899.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.