Home / 277,091.31-382,208.72-192,177.39

Finding the Fourth Proportional to 277,091.31, 382,208.72 and 192,177.39

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Solution

The fourth proportional to 277,091.31, 382,208.72 and 192,177.39 is: 265,081.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,091.31 : 382,208.72 = 192,177.39 : x
  2. Step 2: Convert to fraction form
    277,091.31/382,208.72 = 192,177.39/x
  3. Step 3: Cross multiply
    277,091.31x = 382,208.72 × 192,177.39
  4. Step 4: Simplify right side
    277,091.31x = 73,451,873,283.95
  5. Step 5: Solve for x
    x = 73,451,873,283.95/277,091.31
  6. Step 6: Final answer
    x = 265,081.84

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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.