Home / 133,759.73-184,589.94-76,406.64

Finding the Fourth Proportional to 133,759.73, 184,589.94 and 76,406.64

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Solution

The fourth proportional to 133,759.73, 184,589.94 and 76,406.64 is: 105,442.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,759.73 : 184,589.94 = 76,406.64 : x
  2. Step 2: Convert to fraction form
    133,759.73/184,589.94 = 76,406.64/x
  3. Step 3: Cross multiply
    133,759.73x = 184,589.94 × 76,406.64
  4. Step 4: Simplify right side
    133,759.73x = 14,103,897,296.05
  5. Step 5: Solve for x
    x = 14,103,897,296.05/133,759.73
  6. Step 6: Final answer
    x = 105,442.03

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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.