Home / 199,383.31-274,993.48-127,770.00

Finding the Fourth Proportional to 199,383.31, 274,993.48 and 127,770.00

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Solution

The fourth proportional to 199,383.31, 274,993.48 and 127,770.00 is: 176,222.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,383.31 : 274,993.48 = 127,770.00 : x
  2. Step 2: Convert to fraction form
    199,383.31/274,993.48 = 127,770.00/x
  3. Step 3: Cross multiply
    199,383.31x = 274,993.48 × 127,770.00
  4. Step 4: Simplify right side
    199,383.31x = 35,135,916,068.09
  5. Step 5: Solve for x
    x = 35,135,916,068.09/199,383.31
  6. Step 6: Final answer
    x = 176,222.95

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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.