Home / 133,581.12-200,473.20-49,420.86

Finding the Fourth Proportional to 133,581.12, 200,473.20 and 49,420.86

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Solution

The fourth proportional to 133,581.12, 200,473.20 and 49,420.86 is: 74,168.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,581.12 : 200,473.20 = 49,420.86 : x
  2. Step 2: Convert to fraction form
    133,581.12/200,473.20 = 49,420.86/x
  3. Step 3: Cross multiply
    133,581.12x = 200,473.20 × 49,420.86
  4. Step 4: Simplify right side
    133,581.12x = 9,907,557,950.95
  5. Step 5: Solve for x
    x = 9,907,557,950.95/133,581.12
  6. Step 6: Final answer
    x = 74,168.85

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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.