Home / 126,974.04-190,401.38-46,956.76

Finding the Fourth Proportional to 126,974.04, 190,401.38 and 46,956.76

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Solution

The fourth proportional to 126,974.04, 190,401.38 and 46,956.76 is: 70,413.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,974.04 : 190,401.38 = 46,956.76 : x
  2. Step 2: Convert to fraction form
    126,974.04/190,401.38 = 46,956.76/x
  3. Step 3: Cross multiply
    126,974.04x = 190,401.38 × 46,956.76
  4. Step 4: Simplify right side
    126,974.04x = 8,940,631,904.33
  5. Step 5: Solve for x
    x = 8,940,631,904.33/126,974.04
  6. Step 6: Final answer
    x = 70,413.07

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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.