Home / 251,195.11-346,629.14-143,740.51

Finding the Fourth Proportional to 251,195.11, 346,629.14 and 143,740.51

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Solution

The fourth proportional to 251,195.11, 346,629.14 and 143,740.51 is: 198,350.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,195.11 : 346,629.14 = 143,740.51 : x
  2. Step 2: Convert to fraction form
    251,195.11/346,629.14 = 143,740.51/x
  3. Step 3: Cross multiply
    251,195.11x = 346,629.14 × 143,740.51
  4. Step 4: Simplify right side
    251,195.11x = 49,824,648,318.21
  5. Step 5: Solve for x
    x = 49,824,648,318.21/251,195.11
  6. Step 6: Final answer
    x = 198,350.39

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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.