Home / 127,383.96-191,076.39-38,638.23

Finding the Fourth Proportional to 127,383.96, 191,076.39 and 38,638.23

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Solution

The fourth proportional to 127,383.96, 191,076.39 and 38,638.23 is: 57,957.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,383.96 : 191,076.39 = 38,638.23 : x
  2. Step 2: Convert to fraction form
    127,383.96/191,076.39 = 38,638.23/x
  3. Step 3: Cross multiply
    127,383.96x = 191,076.39 × 38,638.23
  4. Step 4: Simplify right side
    127,383.96x = 7,382,853,504.39
  5. Step 5: Solve for x
    x = 7,382,853,504.39/127,383.96
  6. Step 6: Final answer
    x = 57,957.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.