Home / 112,310.22-154,932.17-66,956.25

Finding the Fourth Proportional to 112,310.22, 154,932.17 and 66,956.25

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Solution

The fourth proportional to 112,310.22, 154,932.17 and 66,956.25 is: 92,366.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,310.22 : 154,932.17 = 66,956.25 : x
  2. Step 2: Convert to fraction form
    112,310.22/154,932.17 = 66,956.25/x
  3. Step 3: Cross multiply
    112,310.22x = 154,932.17 × 66,956.25
  4. Step 4: Simplify right side
    112,310.22x = 10,373,677,107.56
  5. Step 5: Solve for x
    x = 10,373,677,107.56/112,310.22
  6. Step 6: Final answer
    x = 92,366.28

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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.