Home / 131,026.21-196,490.88-46,763.80

Finding the Fourth Proportional to 131,026.21, 196,490.88 and 46,763.80

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Solution

The fourth proportional to 131,026.21, 196,490.88 and 46,763.80 is: 70,128.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,026.21 : 196,490.88 = 46,763.80 : x
  2. Step 2: Convert to fraction form
    131,026.21/196,490.88 = 46,763.80/x
  3. Step 3: Cross multiply
    131,026.21x = 196,490.88 × 46,763.80
  4. Step 4: Simplify right side
    131,026.21x = 9,188,659,722.92
  5. Step 5: Solve for x
    x = 9,188,659,722.92/131,026.21
  6. Step 6: Final answer
    x = 70,128.41

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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.