Home / 127,951.33-191,920.07-39,205.09

Finding the Fourth Proportional to 127,951.33, 191,920.07 and 39,205.09

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Solution

The fourth proportional to 127,951.33, 191,920.07 and 39,205.09 is: 58,805.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,951.33 : 191,920.07 = 39,205.09 : x
  2. Step 2: Convert to fraction form
    127,951.33/191,920.07 = 39,205.09/x
  3. Step 3: Cross multiply
    127,951.33x = 191,920.07 × 39,205.09
  4. Step 4: Simplify right side
    127,951.33x = 7,524,243,421.13
  5. Step 5: Solve for x
    x = 7,524,243,421.13/127,951.33
  6. Step 6: Final answer
    x = 58,805.51

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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.