Home / 135,215.10-202,433.85-131,327.10

Finding the Fourth Proportional to 135,215.10, 202,433.85 and 131,327.10

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Solution

The fourth proportional to 135,215.10, 202,433.85 and 131,327.10 is: 196,613.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,215.10 : 202,433.85 = 131,327.10 : x
  2. Step 2: Convert to fraction form
    135,215.10/202,433.85 = 131,327.10/x
  3. Step 3: Cross multiply
    135,215.10x = 202,433.85 × 131,327.10
  4. Step 4: Simplify right side
    135,215.10x = 26,585,050,462.34
  5. Step 5: Solve for x
    x = 26,585,050,462.34/135,215.10
  6. Step 6: Final answer
    x = 196,613.03

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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.