Home / 131,167.78-196,730.70-46,912.21

Finding the Fourth Proportional to 131,167.78, 196,730.70 and 46,912.21

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Solution

The fourth proportional to 131,167.78, 196,730.70 and 46,912.21 is: 70,360.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,167.78 : 196,730.70 = 46,912.21 : x
  2. Step 2: Convert to fraction form
    131,167.78/196,730.70 = 46,912.21/x
  3. Step 3: Cross multiply
    131,167.78x = 196,730.70 × 46,912.21
  4. Step 4: Simplify right side
    131,167.78x = 9,229,071,911.85
  5. Step 5: Solve for x
    x = 9,229,071,911.85/131,167.78
  6. Step 6: Final answer
    x = 70,360.82

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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.