Home / 199,159.03-274,835.98-108,515.75

Finding the Fourth Proportional to 199,159.03, 274,835.98 and 108,515.75

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Solution

The fourth proportional to 199,159.03, 274,835.98 and 108,515.75 is: 149,749.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,159.03 : 274,835.98 = 108,515.75 : x
  2. Step 2: Convert to fraction form
    199,159.03/274,835.98 = 108,515.75/x
  3. Step 3: Cross multiply
    199,159.03x = 274,835.98 × 108,515.75
  4. Step 4: Simplify right side
    199,159.03x = 29,824,030,579.93
  5. Step 5: Solve for x
    x = 29,824,030,579.93/199,159.03
  6. Step 6: Final answer
    x = 149,749.83

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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.