Home / 123,429.21-185,134.53-44,543.43

Finding the Fourth Proportional to 123,429.21, 185,134.53 and 44,543.43

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Solution

The fourth proportional to 123,429.21, 185,134.53 and 44,543.43 is: 66,811.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,429.21 : 185,134.53 = 44,543.43 : x
  2. Step 2: Convert to fraction form
    123,429.21/185,134.53 = 44,543.43/x
  3. Step 3: Cross multiply
    123,429.21x = 185,134.53 × 44,543.43
  4. Step 4: Simplify right side
    123,429.21x = 8,246,526,977.64
  5. Step 5: Solve for x
    x = 8,246,526,977.64/123,429.21
  6. Step 6: Final answer
    x = 66,811.79

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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.