Home / 127,992.77-191,981.97-39,246.04

Finding the Fourth Proportional to 127,992.77, 191,981.97 and 39,246.04

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Solution

The fourth proportional to 127,992.77, 191,981.97 and 39,246.04 is: 58,866.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,992.77 : 191,981.97 = 39,246.04 : x
  2. Step 2: Convert to fraction form
    127,992.77/191,981.97 = 39,246.04/x
  3. Step 3: Cross multiply
    127,992.77x = 191,981.97 × 39,246.04
  4. Step 4: Simplify right side
    127,992.77x = 7,534,531,113.99
  5. Step 5: Solve for x
    x = 7,534,531,113.99/127,992.77
  6. Step 6: Final answer
    x = 58,866.85

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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.