Home / 131,181-196,812.99-46,939.29

Finding the Fourth Proportional to 131,181, 196,812.99 and 46,939.29

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Solution

The fourth proportional to 131,181, 196,812.99 and 46,939.29 is: 70,423.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,181 : 196,812.99 = 46,939.29 : x
  2. Step 2: Convert to fraction form
    131,181/196,812.99 = 46,939.29/x
  3. Step 3: Cross multiply
    131,181x = 196,812.99 × 46,939.29
  4. Step 4: Simplify right side
    131,181x = 9,238,262,013.38
  5. Step 5: Solve for x
    x = 9,238,262,013.38/131,181
  6. Step 6: Final answer
    x = 70,423.78

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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.