Home / 112,190.46-154,783.26-71,926.44

Finding the Fourth Proportional to 112,190.46, 154,783.26 and 71,926.44

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Solution

The fourth proportional to 112,190.46, 154,783.26 and 71,926.44 is: 99,233.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,190.46 : 154,783.26 = 71,926.44 : x
  2. Step 2: Convert to fraction form
    112,190.46/154,783.26 = 71,926.44/x
  3. Step 3: Cross multiply
    112,190.46x = 154,783.26 × 71,926.44
  4. Step 4: Simplify right side
    112,190.46x = 11,133,008,863.39
  5. Step 5: Solve for x
    x = 11,133,008,863.39/112,190.46
  6. Step 6: Final answer
    x = 99,233.12

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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.