Home / 140,131.66-193,315.08-82,732.54

Finding the Fourth Proportional to 140,131.66, 193,315.08 and 82,732.54

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Solution

The fourth proportional to 140,131.66, 193,315.08 and 82,732.54 is: 114,131.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,131.66 : 193,315.08 = 82,732.54 : x
  2. Step 2: Convert to fraction form
    140,131.66/193,315.08 = 82,732.54/x
  3. Step 3: Cross multiply
    140,131.66x = 193,315.08 × 82,732.54
  4. Step 4: Simplify right side
    140,131.66x = 15,993,447,588.70
  5. Step 5: Solve for x
    x = 15,993,447,588.70/140,131.66
  6. Step 6: Final answer
    x = 114,131.58

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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.