Home / 112,180.78-168,251.73-29,074.78

Finding the Fourth Proportional to 112,180.78, 168,251.73 and 29,074.78

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Solution

The fourth proportional to 112,180.78, 168,251.73 and 29,074.78 is: 43,607.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,180.78 : 168,251.73 = 29,074.78 : x
  2. Step 2: Convert to fraction form
    112,180.78/168,251.73 = 29,074.78/x
  3. Step 3: Cross multiply
    112,180.78x = 168,251.73 × 29,074.78
  4. Step 4: Simplify right side
    112,180.78x = 4,891,882,034.37
  5. Step 5: Solve for x
    x = 4,891,882,034.37/112,180.78
  6. Step 6: Final answer
    x = 43,607.13

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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.