Home / 199,110.20-274,771.95-109,686.20

Finding the Fourth Proportional to 199,110.20, 274,771.95 and 109,686.20

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Solution

The fourth proportional to 199,110.20, 274,771.95 and 109,686.20 is: 151,366.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,110.20 : 274,771.95 = 109,686.20 : x
  2. Step 2: Convert to fraction form
    199,110.20/274,771.95 = 109,686.20/x
  3. Step 3: Cross multiply
    199,110.20x = 274,771.95 × 109,686.20
  4. Step 4: Simplify right side
    199,110.20x = 30,138,691,062.09
  5. Step 5: Solve for x
    x = 30,138,691,062.09/199,110.20
  6. Step 6: Final answer
    x = 151,366.89

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1.5x scale

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.