Home / 139,330.97-192,293.15-82,742.34

Finding the Fourth Proportional to 139,330.97, 192,293.15 and 82,742.34

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Solution

The fourth proportional to 139,330.97, 192,293.15 and 82,742.34 is: 114,194.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,330.97 : 192,293.15 = 82,742.34 : x
  2. Step 2: Convert to fraction form
    139,330.97/192,293.15 = 82,742.34/x
  3. Step 3: Cross multiply
    139,330.97x = 192,293.15 × 82,742.34
  4. Step 4: Simplify right side
    139,330.97x = 15,910,785,196.97
  5. Step 5: Solve for x
    x = 15,910,785,196.97/139,330.97
  6. Step 6: Final answer
    x = 114,194.18

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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.