Home / 123,366.26-185,021.71-56,742.38

Finding the Fourth Proportional to 123,366.26, 185,021.71 and 56,742.38

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Solution

The fourth proportional to 123,366.26, 185,021.71 and 56,742.38 is: 85,100.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,366.26 : 185,021.71 = 56,742.38 : x
  2. Step 2: Convert to fraction form
    123,366.26/185,021.71 = 56,742.38/x
  3. Step 3: Cross multiply
    123,366.26x = 185,021.71 × 56,742.38
  4. Step 4: Simplify right side
    123,366.26x = 10,498,571,893.36
  5. Step 5: Solve for x
    x = 10,498,571,893.36/123,366.26
  6. Step 6: Final answer
    x = 85,100.84

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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.