Home / 112,207.21-154,855.19-63,824.29

Finding the Fourth Proportional to 112,207.21, 154,855.19 and 63,824.29

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Solution

The fourth proportional to 112,207.21, 154,855.19 and 63,824.29 is: 88,082.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,207.21 : 154,855.19 = 63,824.29 : x
  2. Step 2: Convert to fraction form
    112,207.21/154,855.19 = 63,824.29/x
  3. Step 3: Cross multiply
    112,207.21x = 154,855.19 × 63,824.29
  4. Step 4: Simplify right side
    112,207.21x = 9,883,522,326.99
  5. Step 5: Solve for x
    x = 9,883,522,326.99/112,207.21
  6. Step 6: Final answer
    x = 88,082.78

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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.