Home / 127,958.29-191,930.52-39,212.05

Finding the Fourth Proportional to 127,958.29, 191,930.52 and 39,212.05

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Solution

The fourth proportional to 127,958.29, 191,930.52 and 39,212.05 is: 58,815.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,958.29 : 191,930.52 = 39,212.05 : x
  2. Step 2: Convert to fraction form
    127,958.29/191,930.52 = 39,212.05/x
  3. Step 3: Cross multiply
    127,958.29x = 191,930.52 × 39,212.05
  4. Step 4: Simplify right side
    127,958.29x = 7,525,989,146.77
  5. Step 5: Solve for x
    x = 7,525,989,146.77/127,958.29
  6. Step 6: Final answer
    x = 58,815.96

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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.