Home / 131,093.63-180,838.26-108,297.80

Finding the Fourth Proportional to 131,093.63, 180,838.26 and 108,297.80

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Solution

The fourth proportional to 131,093.63, 180,838.26 and 108,297.80 is: 149,392.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,093.63 : 180,838.26 = 108,297.80 : x
  2. Step 2: Convert to fraction form
    131,093.63/180,838.26 = 108,297.80/x
  3. Step 3: Cross multiply
    131,093.63x = 180,838.26 × 108,297.80
  4. Step 4: Simplify right side
    131,093.63x = 19,584,384,809.64
  5. Step 5: Solve for x
    x = 19,584,384,809.64/131,093.63
  6. Step 6: Final answer
    x = 149,392.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.