Home / 112,199.78-168,052.41-92,744.66

Finding the Fourth Proportional to 112,199.78, 168,052.41 and 92,744.66

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Solution

The fourth proportional to 112,199.78, 168,052.41 and 92,744.66 is: 138,912.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,199.78 : 168,052.41 = 92,744.66 : x
  2. Step 2: Convert to fraction form
    112,199.78/168,052.41 = 92,744.66/x
  3. Step 3: Cross multiply
    112,199.78x = 168,052.41 × 92,744.66
  4. Step 4: Simplify right side
    112,199.78x = 15,585,963,627.63
  5. Step 5: Solve for x
    x = 15,585,963,627.63/112,199.78
  6. Step 6: Final answer
    x = 138,912.60

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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.