Home / 251,619.42-377,453.43-91,738.38

Finding the Fourth Proportional to 251,619.42, 377,453.43 and 91,738.38

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Solution

The fourth proportional to 251,619.42, 377,453.43 and 91,738.38 is: 137,616.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,619.42 : 377,453.43 = 91,738.38 : x
  2. Step 2: Convert to fraction form
    251,619.42/377,453.43 = 91,738.38/x
  3. Step 3: Cross multiply
    251,619.42x = 377,453.43 × 91,738.38
  4. Step 4: Simplify right side
    251,619.42x = 34,626,966,193.64
  5. Step 5: Solve for x
    x = 34,626,966,193.64/251,619.42
  6. Step 6: Final answer
    x = 137,616.43

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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.