Home / 133,811.11-200,716.73-40,316.86

Finding the Fourth Proportional to 133,811.11, 200,716.73 and 40,316.86

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Solution

The fourth proportional to 133,811.11, 200,716.73 and 40,316.86 is: 60,475.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,811.11 : 200,716.73 = 40,316.86 : x
  2. Step 2: Convert to fraction form
    133,811.11/200,716.73 = 40,316.86/x
  3. Step 3: Cross multiply
    133,811.11x = 200,716.73 × 40,316.86
  4. Step 4: Simplify right side
    133,811.11x = 8,092,267,601.32
  5. Step 5: Solve for x
    x = 8,092,267,601.32/133,811.11
  6. Step 6: Final answer
    x = 60,475.31

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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.