Home / 203,813.01-281,262.68-113,169.15

Finding the Fourth Proportional to 203,813.01, 281,262.68 and 113,169.15

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Solution

The fourth proportional to 203,813.01, 281,262.68 and 113,169.15 is: 156,173.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,813.01 : 281,262.68 = 113,169.15 : x
  2. Step 2: Convert to fraction form
    203,813.01/281,262.68 = 113,169.15/x
  3. Step 3: Cross multiply
    203,813.01x = 281,262.68 × 113,169.15
  4. Step 4: Simplify right side
    203,813.01x = 31,830,258,280.86
  5. Step 5: Solve for x
    x = 31,830,258,280.86/203,813.01
  6. Step 6: Final answer
    x = 156,173.83

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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.