Home / 139,286.84-192,202.60-85,563.18

Finding the Fourth Proportional to 139,286.84, 192,202.60 and 85,563.18

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Solution

The fourth proportional to 139,286.84, 192,202.60 and 85,563.18 is: 118,069.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,286.84 : 192,202.60 = 85,563.18 : x
  2. Step 2: Convert to fraction form
    139,286.84/192,202.60 = 85,563.18/x
  3. Step 3: Cross multiply
    139,286.84x = 192,202.60 × 85,563.18
  4. Step 4: Simplify right side
    139,286.84x = 16,445,465,660.27
  5. Step 5: Solve for x
    x = 16,445,465,660.27/139,286.84
  6. Step 6: Final answer
    x = 118,069.06

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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.