Home / 123,371.43-185,131.19-53,250.67

Finding the Fourth Proportional to 123,371.43, 185,131.19 and 53,250.67

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Solution

The fourth proportional to 123,371.43, 185,131.19 and 53,250.67 is: 79,907.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,371.43 : 185,131.19 = 53,250.67 : x
  2. Step 2: Convert to fraction form
    123,371.43/185,131.19 = 53,250.67/x
  3. Step 3: Cross multiply
    123,371.43x = 185,131.19 × 53,250.67
  4. Step 4: Simplify right side
    123,371.43x = 9,858,359,905.40
  5. Step 5: Solve for x
    x = 9,858,359,905.40/123,371.43
  6. Step 6: Final answer
    x = 79,907.96

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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.