Home / 251,059.82-346,465.28-137,882.56

Finding the Fourth Proportional to 251,059.82, 346,465.28 and 137,882.56

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Solution

The fourth proportional to 251,059.82, 346,465.28 and 137,882.56 is: 190,279.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,059.82 : 346,465.28 = 137,882.56 : x
  2. Step 2: Convert to fraction form
    251,059.82/346,465.28 = 137,882.56/x
  3. Step 3: Cross multiply
    251,059.82x = 346,465.28 × 137,882.56
  4. Step 4: Simplify right side
    251,059.82x = 47,771,519,757.52
  5. Step 5: Solve for x
    x = 47,771,519,757.52/251,059.82
  6. Step 6: Final answer
    x = 190,279.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.