Home / 203,191.16-280,379.85-117,149.18

Finding the Fourth Proportional to 203,191.16, 280,379.85 and 117,149.18

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Solution

The fourth proportional to 203,191.16, 280,379.85 and 117,149.18 is: 161,652.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,191.16 : 280,379.85 = 117,149.18 : x
  2. Step 2: Convert to fraction form
    203,191.16/280,379.85 = 117,149.18/x
  3. Step 3: Cross multiply
    203,191.16x = 280,379.85 × 117,149.18
  4. Step 4: Simplify right side
    203,191.16x = 32,846,269,516.02
  5. Step 5: Solve for x
    x = 32,846,269,516.02/203,191.16
  6. Step 6: Final answer
    x = 161,652.06

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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.