Home / 123,453.72-185,161.61-39,202.95

Finding the Fourth Proportional to 123,453.72, 185,161.61 and 39,202.95

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Solution

The fourth proportional to 123,453.72, 185,161.61 and 39,202.95 is: 58,798.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,453.72 : 185,161.61 = 39,202.95 : x
  2. Step 2: Convert to fraction form
    123,453.72/185,161.61 = 39,202.95/x
  3. Step 3: Cross multiply
    123,453.72x = 185,161.61 × 39,202.95
  4. Step 4: Simplify right side
    123,453.72x = 7,258,882,131.11
  5. Step 5: Solve for x
    x = 7,258,882,131.11/123,453.72
  6. Step 6: Final answer
    x = 58,798.41

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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.