Home / 112,183.44-154,806.12-61,882.32

Finding the Fourth Proportional to 112,183.44, 154,806.12 and 61,882.32

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Solution

The fourth proportional to 112,183.44, 154,806.12 and 61,882.32 is: 85,393.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,183.44 : 154,806.12 = 61,882.32 : x
  2. Step 2: Convert to fraction form
    112,183.44/154,806.12 = 61,882.32/x
  3. Step 3: Cross multiply
    112,183.44x = 154,806.12 × 61,882.32
  4. Step 4: Simplify right side
    112,183.44x = 9,579,761,855.80
  5. Step 5: Solve for x
    x = 9,579,761,855.80/112,183.44
  6. Step 6: Final answer
    x = 85,393.73

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1.5x scale

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.