Home / 140,126.11-210,272.20-131,260.05

Finding the Fourth Proportional to 140,126.11, 210,272.20 and 131,260.05

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Solution

The fourth proportional to 140,126.11, 210,272.20 and 131,260.05 is: 196,967.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,126.11 : 210,272.20 = 131,260.05 : x
  2. Step 2: Convert to fraction form
    140,126.11/210,272.20 = 131,260.05/x
  3. Step 3: Cross multiply
    140,126.11x = 210,272.20 × 131,260.05
  4. Step 4: Simplify right side
    140,126.11x = 27,600,339,485.61
  5. Step 5: Solve for x
    x = 27,600,339,485.61/140,126.11
  6. Step 6: Final answer
    x = 196,967.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.