Home / 127,874.40-191,804.67-39,127.92

Finding the Fourth Proportional to 127,874.40, 191,804.67 and 39,127.92

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Solution

The fourth proportional to 127,874.40, 191,804.67 and 39,127.92 is: 58,689.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,874.40 : 191,804.67 = 39,127.92 : x
  2. Step 2: Convert to fraction form
    127,874.40/191,804.67 = 39,127.92/x
  3. Step 3: Cross multiply
    127,874.40x = 191,804.67 × 39,127.92
  4. Step 4: Simplify right side
    127,874.40x = 7,504,917,783.39
  5. Step 5: Solve for x
    x = 7,504,917,783.39/127,874.40
  6. Step 6: Final answer
    x = 58,689.76

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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.